diff --git a/ironic-common.sh b/ironic-common.sh
index 5478bcb..dca2b9b 100755
--- a/ironic-common.sh
+++ b/ironic-common.sh
@@ -1,20 +1,20 @@
-PROVISIONING_INTERFACE=${PROVISIONING_INTERFACE:-"provisioning"}
+export PROVISIONING_INTERFACE=${PROVISIONING_INTERFACE:-"provisioning"}
 
 # Wait for the interface or IP to be up, sets $IRONIC_IP
 function wait_for_interface_or_ip() {
   # If $PROVISIONING_IP is specified, then we wait for that to become available on an interface, otherwise we look at $PROVISIONING_INTERFACE for an IP
   if [ ! -z "${PROVISIONING_IP}" ];
   then
-    IRONIC_IP=""
+    export IRONIC_IP=""
     until [ ! -z "${IRONIC_IP}" ]; do
       echo "Waiting for ${PROVISIONING_IP} to be configured on an interface"
-      IRONIC_IP=$(ip -br addr show | grep "${PROVISIONING_IP}" | grep -Po "[^\s]+/[0-9]+" | sed -e 's%/.*%%' | head -n 1)
+      export IRONIC_IP=$(ip -br addr show | grep "${PROVISIONING_IP}" | grep -Po "[^\s]+/[0-9]+" | sed -e 's%/.*%%' | head -n 1)
       sleep 1
     done
   else
     until [ ! -z "${IRONIC_IP}" ]; do
       echo "Waiting for ${PROVISIONING_INTERFACE} interface to be configured"
-      IRONIC_IP=$(ip -br addr show dev $PROVISIONING_INTERFACE | grep -Po "[^\s]+/[0-9]+" | grep -e "^fd" -e "\." | sed -e 's%/.*%%' | head -n 1)
+      export IRONIC_IP=$(ip -br add show scope global up dev "${PROVISIONING_INTERFACE}" | awk '{print $3}' | sed -e 's%/.*%%' | head -n 1)
       sleep 1
     done
   fi
@@ -23,10 +23,10 @@ function wait_for_interface_or_ip() {
   # host needs surrounding with brackets
   if [[ "$IRONIC_IP" =~ .*:.* ]]
   then
-    IPV=6
-    IRONIC_URL_HOST="[$IRONIC_IP]"
+    export IPV=6
+    export IRONIC_URL_HOST="[$IRONIC_IP]"
   else
-    IPV=4
-    IRONIC_URL_HOST=$IRONIC_IP
+    export IPV=4
+    export IRONIC_URL_HOST=$IRONIC_IP
   fi
 }