diff --git a/e2e-tests/lambda-cloudwatch-trigger.sh b/e2e-tests/lambda-cloudwatch-trigger.sh
index 7dfeb61..3d671c0 100755
--- a/e2e-tests/lambda-cloudwatch-trigger.sh
+++ b/e2e-tests/lambda-cloudwatch-trigger.sh
@@ -33,7 +33,7 @@ validate_stack_resources() {
 }
 
 cat <<EOF > parameter.json
-'[{"LogGroupName":"$LOG_GROUP_NAME",FilterPattern:"$LOG_GROUP_FILTER_PATTERN"}]'
+'[{"LogGroupName":"$LOG_GROUP_NAME","FilterPattern":"$LOG_GROUP_FILTER_PATTERN"}]'
 EOF
 LOG_GROUP_NAMES=$(<parameter.json)