diff --git a/gstreamer/src/query.rs b/gstreamer/src/query.rs
index 55cb5e7a0..98f3ac623 100644
--- a/gstreamer/src/query.rs
+++ b/gstreamer/src/query.rs
@@ -21,6 +21,9 @@ use glib::translate::{from_glib, from_glib_full, ToGlib, ToGlibPtr};
 #[repr(C)]
 pub struct QueryRef(ffi::GstQuery);
 
+unsafe impl Send for QueryRef {}
+unsafe impl Sync for QueryRef {}
+
 pub type Query = GstRc<QueryRef>;
 
 unsafe impl MiniObject for QueryRef {