diff --git a/gstreamer/src/log.rs b/gstreamer/src/log.rs
index 18dbc9bcf..ae9765eba 100644
--- a/gstreamer/src/log.rs
+++ b/gstreamer/src/log.rs
@@ -152,7 +152,7 @@ impl DebugCategory {
                 module.to_glib_none().0,
                 line as i32,
                 obj_ptr,
-                fmt::format(args).to_glib_none().0,
+                fmt::format(args).replace("%", "%%").to_glib_none().0,
             );
         }
     }