diff --git a/tools/make-mv3.sh b/tools/make-mv3.sh
index 5d84371e2..a4e46e29e 100755
--- a/tools/make-mv3.sh
+++ b/tools/make-mv3.sh
@@ -91,8 +91,8 @@ if [ "$QUICK" != "yes" ]; then
     cp platform/mv3/package.json $TMPDIR/
     cp platform/mv3/*.js $TMPDIR/
     cp platform/mv3/extension/js/utils.js $TMPDIR/js/
-    cp assets/assets.json $TMPDIR/
-    cp assets/resources/scriptlets.js $TMPDIR/
+    cp $UBO_DIR/assets/assets.json $TMPDIR/
+    cp $UBO_DIR/assets/resources/scriptlets.js $TMPDIR/
     cp -R platform/mv3/scriptlets $TMPDIR/
     mkdir -p $TMPDIR/web_accessible_resources
     cp $UBO_DIR/src/web_accessible_resources/* $TMPDIR/web_accessible_resources/