diff --git a/gstreamer/src/enums.rs b/gstreamer/src/enums.rs
index 447d76d7a..00ccd2a0b 100644
--- a/gstreamer/src/enums.rs
+++ b/gstreamer/src/enums.rs
@@ -427,6 +427,7 @@ pub enum TagError {
 // enum instead
 #[derive(Debug, PartialEq, Eq, Hash, Clone, Copy)]
 #[doc(alias = "GstMessageType")]
+#[non_exhaustive]
 pub enum MessageType {
     #[doc(alias = "GST_MESSAGE_UNKNOWN")]
     Unknown,