diff --git a/utils/fallbackswitch/src/fallbacksrc.rs b/utils/fallbackswitch/src/fallbacksrc.rs
index 09053c86..1343930e 100644
--- a/utils/fallbackswitch/src/fallbacksrc.rs
+++ b/utils/fallbackswitch/src/fallbacksrc.rs
@@ -1948,7 +1948,7 @@ mod custom_source {
             "Source",
             "Source",
             gst::Element::static_type(),
-            glib::ParamFlags::READWRITE | glib::ParamFlags::CONSTRUCT_ONLY,
+            glib::ParamFlags::WRITABLE | glib::ParamFlags::CONSTRUCT_ONLY,
         )
     })];