diff --git a/renderscript/1.0/default/Android.bp b/renderscript/1.0/default/Android.bp
index 29b781e..823603a 100644
--- a/renderscript/1.0/default/Android.bp
+++ b/renderscript/1.0/default/Android.bp
@@ -19,4 +19,11 @@
         "android.hardware.renderscript@1.0",
         "android.hidl.base@1.0",
     ],
+
+    product_variables: {
+        override_rs_driver: {
+            cflags: ["-DOVERRIDE_RS_DRIVER=%s"],
+        },
+    },
+
 }