diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index e2a242cbd81444e75eb5e5a08076769b9c6334b8..659a1570e9af546f1a7cc2a67bb9f43c4011d8ef 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -3,6 +3,9 @@ include:
   ref: master
   file: docker_hub.gitlab-ci.yml
 
+variables:
+  IMAGE_BASENAME: ${IMAGE_PREFIX}/flutter
+
 .build_flutter_base:
   variables:
     BUILD_ARGS: FLUTTER_VERSION=${VERSION}
@@ -12,6 +15,5 @@ include:
   - .build_flutter_base
   - .build_image_job_template
   variables:
-    IMAGE_BASENAME: ${IMAGE_PREFIX}/flutter
     VERSION: 3.24.5
     IMAGE_NAME: ${IMAGE_BASENAME}:${VERSION},${IMAGE_BASENAME}:3.24,${IMAGE_BASENAME}:3