diff --git a/src/zapit/src/scanait.cpp b/src/zapit/src/scanait.cpp
index 3b667d860..e0f0d361a 100644
--- a/src/zapit/src/scanait.cpp
+++ b/src/zapit/src/scanait.cpp
@@ -56,8 +56,11 @@ bool CAit::Start()
 
 bool CAit::Stop()
 {
-	int ret = join();
-	return (ret == 0);
+	if(pid > 0){
+		int ret = join();
+		return (ret == 0);
+	}
+	return false;
 }
 
 void CAit::run()