diff --git a/scripts.d/50-avisynth.sh b/scripts.d/50-avisynth.sh
index 1fe5257..a4d2629 100755
--- a/scripts.d/50-avisynth.sh
+++ b/scripts.d/50-avisynth.sh
@@ -4,6 +4,7 @@ AVISYNTH_REPO="https://github.com/AviSynth/AviSynthPlus.git"
 AVISYNTH_COMMIT="f44a7c66bfece896c0f0047a5656bb29e73ac67e"
 
 ffbuild_enabled() {
+    [[ $VARIANT == gpl* ]] || return -1
     return 0
 }