diff --git a/packages/create-app/src/impl.ts b/packages/create-app/src/impl.ts
index 3629156..30d6f2d 100644
--- a/packages/create-app/src/impl.ts
+++ b/packages/create-app/src/impl.ts
@@ -166,7 +166,7 @@ export default async function (this: LocalContext, flags: CreateProjectFlags, di
         } else {
             packageJson = addPostinstallScript(
                 packageJson,
-                `npx @stricli/auto-complete@latest install ${commandName} ${bashCommandName}`,
+                `npx @stricli/auto-complete@latest install ${commandName} --bash ${bashCommandName}`,
             );
         }
         await writeFile("src/context.ts", localContextWithAutoCompleteText);
diff --git a/packages/create-app/tests/baselines/reference/app/creates new application/single-command/commonjs/package properties/custom bin command.txt b/packages/create-app/tests/baselines/reference/app/creates new application/single-command/commonjs/package properties/custom bin command.txt
index 83a7fe3..43542ba 100644
--- a/packages/create-app/tests/baselines/reference/app/creates new application/single-command/commonjs/package properties/custom bin command.txt	
+++ b/packages/create-app/tests/baselines/reference/app/creates new application/single-command/commonjs/package properties/custom bin command.txt	
@@ -54,7 +54,7 @@ dist
     "prebuild": "tsc -p src/tsconfig.json",
     "build": "tsup",
     "prepublishOnly": "npm run build",
-    "postinstall": "npx @stricli/auto-complete@latest install test-cli __test-cli_bash_complete"
+    "postinstall": "npx @stricli/auto-complete@latest install test-cli --bash __test-cli_bash_complete"
   },
   "tsup": {
     "entry": [
diff --git a/packages/create-app/tests/baselines/reference/app/creates new application/single-command/commonjs/package properties/custom metadata.txt b/packages/create-app/tests/baselines/reference/app/creates new application/single-command/commonjs/package properties/custom metadata.txt
index b7a7c51..1f20250 100644
--- a/packages/create-app/tests/baselines/reference/app/creates new application/single-command/commonjs/package properties/custom metadata.txt	
+++ b/packages/create-app/tests/baselines/reference/app/creates new application/single-command/commonjs/package properties/custom metadata.txt	
@@ -54,7 +54,7 @@ dist
     "prebuild": "tsc -p src/tsconfig.json",
     "build": "tsup",
     "prepublishOnly": "npm run build",
-    "postinstall": "npx @stricli/auto-complete@latest install test __test_bash_complete"
+    "postinstall": "npx @stricli/auto-complete@latest install test --bash __test_bash_complete"
   },
   "tsup": {
     "entry": [
diff --git a/packages/create-app/tests/baselines/reference/app/creates new application/single-command/commonjs/package properties/custom name and bin command.txt b/packages/create-app/tests/baselines/reference/app/creates new application/single-command/commonjs/package properties/custom name and bin command.txt
index 65729f2..ccbad5c 100644
--- a/packages/create-app/tests/baselines/reference/app/creates new application/single-command/commonjs/package properties/custom name and bin command.txt	
+++ b/packages/create-app/tests/baselines/reference/app/creates new application/single-command/commonjs/package properties/custom name and bin command.txt	
@@ -54,7 +54,7 @@ dist
     "prebuild": "tsc -p src/tsconfig.json",
     "build": "tsup",
     "prepublishOnly": "npm run build",
-    "postinstall": "npx @stricli/auto-complete@latest install test-cli __test-cli_bash_complete"
+    "postinstall": "npx @stricli/auto-complete@latest install test-cli --bash __test-cli_bash_complete"
   },
   "tsup": {
     "entry": [
diff --git a/packages/create-app/tests/baselines/reference/app/creates new application/single-command/commonjs/package properties/custom name.txt b/packages/create-app/tests/baselines/reference/app/creates new application/single-command/commonjs/package properties/custom name.txt
index 9c81586..8422aa9 100644
--- a/packages/create-app/tests/baselines/reference/app/creates new application/single-command/commonjs/package properties/custom name.txt	
+++ b/packages/create-app/tests/baselines/reference/app/creates new application/single-command/commonjs/package properties/custom name.txt	
@@ -54,7 +54,7 @@ dist
     "prebuild": "tsc -p src/tsconfig.json",
     "build": "tsup",
     "prepublishOnly": "npm run build",
-    "postinstall": "npx @stricli/auto-complete@latest install @org/test-cli __@org/test-cli_bash_complete"
+    "postinstall": "npx @stricli/auto-complete@latest install @org/test-cli --bash __@org/test-cli_bash_complete"
   },
   "tsup": {
     "entry": [
diff --git a/packages/create-app/tests/baselines/reference/app/creates new application/single-command/commonjs/with default flags.txt b/packages/create-app/tests/baselines/reference/app/creates new application/single-command/commonjs/with default flags.txt
index 2873c2d..854b669 100644
--- a/packages/create-app/tests/baselines/reference/app/creates new application/single-command/commonjs/with default flags.txt	
+++ b/packages/create-app/tests/baselines/reference/app/creates new application/single-command/commonjs/with default flags.txt	
@@ -54,7 +54,7 @@ dist
     "prebuild": "tsc -p src/tsconfig.json",
     "build": "tsup",
     "prepublishOnly": "npm run build",
-    "postinstall": "npx @stricli/auto-complete@latest install test __test_bash_complete"
+    "postinstall": "npx @stricli/auto-complete@latest install test --bash __test_bash_complete"
   },
   "tsup": {
     "entry": [
diff --git a/packages/create-app/tests/baselines/reference/app/creates new application/single-command/module [default]/package properties/custom bin command.txt b/packages/create-app/tests/baselines/reference/app/creates new application/single-command/module [default]/package properties/custom bin command.txt
index 02f853e..94b5ff5 100644
--- a/packages/create-app/tests/baselines/reference/app/creates new application/single-command/module [default]/package properties/custom bin command.txt	
+++ b/packages/create-app/tests/baselines/reference/app/creates new application/single-command/module [default]/package properties/custom bin command.txt	
@@ -54,7 +54,7 @@ dist
     "prebuild": "tsc -p src/tsconfig.json",
     "build": "tsup",
     "prepublishOnly": "npm run build",
-    "postinstall": "npx @stricli/auto-complete@latest install test-cli __test-cli_bash_complete"
+    "postinstall": "npx @stricli/auto-complete@latest install test-cli --bash __test-cli_bash_complete"
   },
   "tsup": {
     "entry": [
diff --git a/packages/create-app/tests/baselines/reference/app/creates new application/single-command/module [default]/package properties/custom metadata.txt b/packages/create-app/tests/baselines/reference/app/creates new application/single-command/module [default]/package properties/custom metadata.txt
index 60d0fca..564299c 100644
--- a/packages/create-app/tests/baselines/reference/app/creates new application/single-command/module [default]/package properties/custom metadata.txt	
+++ b/packages/create-app/tests/baselines/reference/app/creates new application/single-command/module [default]/package properties/custom metadata.txt	
@@ -54,7 +54,7 @@ dist
     "prebuild": "tsc -p src/tsconfig.json",
     "build": "tsup",
     "prepublishOnly": "npm run build",
-    "postinstall": "npx @stricli/auto-complete@latest install test __test_bash_complete"
+    "postinstall": "npx @stricli/auto-complete@latest install test --bash __test_bash_complete"
   },
   "tsup": {
     "entry": [
diff --git a/packages/create-app/tests/baselines/reference/app/creates new application/single-command/module [default]/package properties/custom name and bin command.txt b/packages/create-app/tests/baselines/reference/app/creates new application/single-command/module [default]/package properties/custom name and bin command.txt
index f8db0a9..1152758 100644
--- a/packages/create-app/tests/baselines/reference/app/creates new application/single-command/module [default]/package properties/custom name and bin command.txt	
+++ b/packages/create-app/tests/baselines/reference/app/creates new application/single-command/module [default]/package properties/custom name and bin command.txt	
@@ -54,7 +54,7 @@ dist
     "prebuild": "tsc -p src/tsconfig.json",
     "build": "tsup",
     "prepublishOnly": "npm run build",
-    "postinstall": "npx @stricli/auto-complete@latest install test-cli __test-cli_bash_complete"
+    "postinstall": "npx @stricli/auto-complete@latest install test-cli --bash __test-cli_bash_complete"
   },
   "tsup": {
     "entry": [
diff --git a/packages/create-app/tests/baselines/reference/app/creates new application/single-command/module [default]/package properties/custom name.txt b/packages/create-app/tests/baselines/reference/app/creates new application/single-command/module [default]/package properties/custom name.txt
index b483718..6365d8f 100644
--- a/packages/create-app/tests/baselines/reference/app/creates new application/single-command/module [default]/package properties/custom name.txt	
+++ b/packages/create-app/tests/baselines/reference/app/creates new application/single-command/module [default]/package properties/custom name.txt	
@@ -54,7 +54,7 @@ dist
     "prebuild": "tsc -p src/tsconfig.json",
     "build": "tsup",
     "prepublishOnly": "npm run build",
-    "postinstall": "npx @stricli/auto-complete@latest install @org/test-cli __@org/test-cli_bash_complete"
+    "postinstall": "npx @stricli/auto-complete@latest install @org/test-cli --bash __@org/test-cli_bash_complete"
   },
   "tsup": {
     "entry": [
diff --git a/packages/create-app/tests/baselines/reference/app/creates new application/single-command/module [default]/with default flags.txt b/packages/create-app/tests/baselines/reference/app/creates new application/single-command/module [default]/with default flags.txt
index 27ceda5..18cfaae 100644
--- a/packages/create-app/tests/baselines/reference/app/creates new application/single-command/module [default]/with default flags.txt	
+++ b/packages/create-app/tests/baselines/reference/app/creates new application/single-command/module [default]/with default flags.txt	
@@ -54,7 +54,7 @@ dist
     "prebuild": "tsc -p src/tsconfig.json",
     "build": "tsup",
     "prepublishOnly": "npm run build",
-    "postinstall": "npx @stricli/auto-complete@latest install test __test_bash_complete"
+    "postinstall": "npx @stricli/auto-complete@latest install test --bash __test_bash_complete"
   },
   "tsup": {
     "entry": [