diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 1abe2dd8b5db8509cce2a7d2c86190de0e4d1d91..0414bda80b3e481266766813d1f405f37bbec4db 100755
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -44,5 +44,5 @@ create_jupytermachine_version:
         docker build -t "$IMAGE_PREFIX/jupytermachine_${image}" -f "Dockerfile" .;
         docker push "$IMAGE_PREFIX/jupytermachine_${image}";
         # Revert the Dockerfile to its original state for other iterations
-        sed -i "s/$NEW_BASE_IMAGE/$OLD_BASE_IMAGE/" "$DOCKERFILE_PATH/$JUPYTERMACHINE_DOCKERFILE";
+        sed -i "s#$NEW_BASE_IMAGE#$OLD_BASE_IMAGE#" "Dockerfile"
       done