diff --git a/apex/apex.go b/apex/apex.go
index cfa6e94..df85f51 100644
--- a/apex/apex.go
+++ b/apex/apex.go
@@ -1439,7 +1439,7 @@
 
 	// Force disable the prebuilts when we are doing unbundled build. We do unbundled build
 	// to build the prebuilts themselves.
-	forceDisable = forceDisable || !ctx.Config().UnbundledBuild()
+	forceDisable = forceDisable || ctx.Config().UnbundledBuild()
 
 	// b/137216042 don't use prebuilts when address sanitizer is on
 	forceDisable = forceDisable || android.InList("address", ctx.Config().SanitizeDevice()) ||