diff --git a/scripts/build-ndk-prebuilts.sh b/scripts/build-ndk-prebuilts.sh
index 1a3321900..c27f098ba 100755
--- a/scripts/build-ndk-prebuilts.sh
+++ b/scripts/build-ndk-prebuilts.sh
@@ -56,6 +56,12 @@ cat > ${SOONG_OUT}/soong.variables << EOF
     "Ndk_abis": true,
     "Exclude_draft_ndk_apis": true,
 
+    "VendorVars": {
+        "art_module": {
+            "source_build": "true"
+        }
+    },
+
     "MissingUsesLibraries": ${MISSING_USES_LIBRARIES}
 }
 EOF