diff --git a/apps/app_mixmonitor.c b/apps/app_mixmonitor.c
index 9f147768dd..022df02b61 100644
--- a/apps/app_mixmonitor.c
+++ b/apps/app_mixmonitor.c
@@ -319,6 +319,8 @@ struct mixmonitor {
 	char *name;
 	unsigned int flags;
 	struct ast_autochan *autochan;
+	struct ast_channel *last_chan;
+	int last_chan_is_bridged;
 	struct mixmonitor_ds *mixmonitor_ds;
 
 	/* the below string fields describe data used for creating voicemails from the recording */
@@ -638,13 +640,28 @@ static void mixmonitor_save_prep(struct mixmonitor *mixmonitor, char *filename,
 	}
 }
 
-static int mixmonitor_autochan_is_bridged(struct ast_autochan *autochan)
+static int mixmonitor_autochan_is_bridged(struct mixmonitor *mixmonitor)
 {
+	struct ast_autochan *autochan = mixmonitor->autochan;
 	int is_bridged;
 
+	if (autochan->chan != mixmonitor->last_chan) {
+		mixmonitor->last_chan = NULL;
+		mixmonitor->last_chan_is_bridged = 0;
+	}
+
+	/* Shortcut that assumes that once a channel is bridged it never
+	 * becomes unbridged. */
+	if (mixmonitor->last_chan_is_bridged) {
+		return 1;
+	}
+
 	ast_autochan_channel_lock(autochan);
 	is_bridged = ast_channel_is_bridged(autochan->chan);
+	mixmonitor->last_chan = autochan->chan;
+	mixmonitor->last_chan_is_bridged = is_bridged;
 	ast_autochan_channel_unlock(autochan);
+
 	return is_bridged;
 }
 
@@ -705,7 +722,7 @@ static void *mixmonitor_thread(void *obj)
 		ast_audiohook_unlock(&mixmonitor->audiohook);
 
 		if (!ast_test_flag(mixmonitor, MUXFLAG_BRIDGED)
-			|| mixmonitor_autochan_is_bridged(mixmonitor->autochan)) {
+			|| mixmonitor_autochan_is_bridged(mixmonitor)) {
 			ast_mutex_lock(&mixmonitor->mixmonitor_ds->lock);
 
 			/* Write out the frame(s) */