diff --git a/apps/app_chanspy.c b/apps/app_chanspy.c
index b59b03f698..81b1931108 100644
--- a/apps/app_chanspy.c
+++ b/apps/app_chanspy.c
@@ -893,6 +893,8 @@ exit:
 
 	ast_channel_setoption(chan, AST_OPTION_TXGAIN, &zero_volume, sizeof(zero_volume), 0);
 
+	ast_mutex_lock(&chanspy_ds.lock);
+	ast_mutex_unlock(&chanspy_ds.lock);
 	ast_mutex_destroy(&chanspy_ds.lock);
 
 	return res;