1 files changed, 2 insertions, 0 deletions
diff --git a/debug.c b/debug.c
index 350bb6fb..29c65cf1 100644
--- a/debug.c
+++ b/debug.c
@@ -660,7 +660,9 @@ static void dbgCallStackDestruct(void *arg)
 		free(pThrd->pszThrdName);
 	}
 
+ 	pthread_mutex_lock(&mutCallStack);
 	DLL_Del(CallStack, pThrd);
+ 	pthread_mutex_unlock(&mutCallStack);
 }