diff --git a/firefox/build b/firefox/build
index e1fb8cd..30cbe14 100755
--- a/firefox/build
+++ b/firefox/build
@@ -4,4 +4,5 @@
 DOCKER_BUILDKIT=1 \
 docker build . \
     --build-arg debug=${debug:-""} \
-    --tag ${buildtag:-myvnc/alpine/firefox}
+    --tag ${buildtag:-myvnc/alpine/firefox} \
+    ${@}