diff --git a/install.sh b/install.sh
index 669d663..4b8f214 100755
--- a/install.sh
+++ b/install.sh
@@ -113,6 +113,12 @@ function postinstall()
     update-desktop-database "$DESTDIR$desktopdir"
     register_installed_file "$DESTDIR$desktopdir/mimeinfo.cache"
 
+    if [ -e "$DESTDIR$sysconfdir/mxq/gpu-policy" ]; then
+      chmod -c +x "$DESTDIR$sysconfdir/mxq/gpu-policy"
+    else
+      echo "Note: "$DESTDIR$sysconfdir/mxq/gpu-policy" does not exist, fix $0 ."
+    fi
+
     (cd "$DESTDIR$usrlocal_prefix/package/admin" && ./makebin)
 
     pkg="mxtools-0.0-0";