diff --git a/build_and_push.sh b/build_and_push.sh
index d21d68b..e1da529 100755
--- a/build_and_push.sh
+++ b/build_and_push.sh
@@ -41,14 +41,14 @@ do
         done
         podman image tag "${container_image_name}:latest" "${container_image_name}:alpine${alpine_version_part}"
         podman push "${container_image_name}:alpine${alpine_version_part}"
-        if [ -z "${app_version_part}" ]
+        if [ -z "${alpine_version_part}" ]
         then
             break
-        elif [ "${app_version_part}" = ${app_version_part%.*} ]
+        elif [ "${alpine_version_part}" = ${alpine_version_part%.*} ]
         then
-            app_version_part=""
+            alpine_version_part=""
         else
-            app_version_part=${app_version_part%.*}
+            alpine_version_part=${alpine_version_part%.*}
         fi
     done
 done