diff --git a/res/res_musiconhold.c b/res/res_musiconhold.c
index 501a3aa..5b4be3f 100644
--- a/res/res_musiconhold.c
+++ b/res/res_musiconhold.c
@@ -1492,23 +1492,26 @@ static int local_ast_moh_start(struct ast_channel *chan, const char *mclass, con
 
 static void local_ast_moh_stop(struct ast_channel *chan)
 {
-       ast_clear_flag(chan, AST_FLAG_MOH);
-       ast_deactivate_generator(chan);
-
-       ast_channel_lock(chan);
-       if (chan->music_state) {
-               if (chan->stream) {
-                       ast_closestream(chan->stream);
-                       chan->stream = NULL;
-               }
-       }
 
-       ast_manager_event(chan, EVENT_FLAG_CALL, "MusicOnHold",
-               "State: Stop\r\n"
-               "Channel: %s\r\n"
-               "UniqueID: %s\r\n",
-               chan->name, chan->uniqueid);
-       ast_channel_unlock(chan);
+    if (ast_test_flag(chan, AST_FLAG_MOH)) {
+           ast_clear_flag(chan, AST_FLAG_MOH);
+       ast_deactivate_generator(chan);
+    
+       ast_channel_lock(chan);
+       if (chan->music_state) {
+               if (chan->stream) {
+                       ast_closestream(chan->stream);
+                       chan->stream = NULL;
+               }
+       }
+    
+       ast_manager_event(chan, EVENT_FLAG_CALL, "MusicOnHold",
+               "State: Stop\r\n"
+               "Channel: %s\r\n"
+               "UniqueID: %s\r\n",
+               chan->name, chan->uniqueid);
+       ast_channel_unlock(chan);
+    }
 }
 
 static void moh_class_destructor(void *obj)