diff --git a/build.sh b/build.sh
index d956a37..20d132c 100755
--- a/build.sh
+++ b/build.sh
@@ -13,7 +13,7 @@ TAGNAME=dev-latest
 
 docker build --no-cache -t qwick/terasology:$TAGNAME .
 
-NEW_TAGNAME=dev-$engineVersion
+NEW_TAGNAME=dev-$engineVersion-$buildNumber
 
 docker tag qwick/terasology:$TAGNAME qwick/terasology:$NEW_TAGNAME