diff --git a/bridges/bridge_softmix.c b/bridges/bridge_softmix.c
index 46b27f1042..e04e1fa491 100644
--- a/bridges/bridge_softmix.c
+++ b/bridges/bridge_softmix.c
@@ -2218,6 +2218,8 @@ static void softmix_bridge_stream_topology_changed(struct ast_bridge *bridge, st
 		ast_channel_unlock(participant->chan);
 		ast_bridge_channel_unlock(participant);
 	}
+
+	AST_VECTOR_FREE(&media_types);
 }
 
 static struct ast_bridge_technology softmix_bridge = {