diff --git a/build.sh b/build.sh
index 9ec38657d..286b1cd50 100755
--- a/build.sh
+++ b/build.sh
@@ -55,7 +55,6 @@ function build_wikibase {
         $DOCKER_BUILD_CACHE_OPT \
         --build-arg PHP_IMAGE_URL="$PHP_IMAGE_URL" \
         --build-arg COMPOSER_IMAGE_URL="$COMPOSER_IMAGE_URL" \
-        --build-arg WIKIBASE_VERSION="$WBS_WIKIBASE_VERSION" \
         --build-arg MEDIAWIKI_VERSION="$MEDIAWIKI_VERSION" \
         \
         --build-arg WIKIBASE_COMMIT="$WIKIBASE_COMMIT" \
diff --git a/versions.inc.sh b/versions.inc.sh
index 0a37b14df..618aa74ae 100644
--- a/versions.inc.sh
+++ b/versions.inc.sh
@@ -38,7 +38,7 @@ function version_tags() {
     date_tag=$(date +"%Y%m%d%H%M%S")
 
     local tags=(
-        "${version}_${date_tag}"
+        "${version}_build${date_tag}"
         "$version"
         "${version%.*}"
         "${version%%.*}"