diff --git a/core/TimerSys.cpp b/core/TimerSys.cpp
index 54e0054c..806a307b 100644
--- a/core/TimerSys.cpp
+++ b/core/TimerSys.cpp
@@ -96,14 +96,14 @@ public:
 
 	void ExtendMapTimeLimit(int extra_time)
 	{
-		extra_time /= 60;
-
 		if (extra_time == 0)
 		{
 			mp_timelimit->SetValue(0);
 			return;
 		}
 
+		extra_time /= 60;
+
 		mp_timelimit->SetValue(mp_timelimit->GetInt() + extra_time);
 	}