diff --git a/android/variable.go b/android/variable.go
index 29d6c7d..ac7c730 100644
--- a/android/variable.go
+++ b/android/variable.go
@@ -24,7 +24,9 @@
 )
 
 func init() {
-	RegisterBottomUpMutator("variable", variableMutator).Parallel()
+	PreDepsMutators(func(ctx RegisterMutatorsContext) {
+		ctx.BottomUp("variable", variableMutator).Parallel()
+	})
 }
 
 type variableProperties struct {