Fix Clock::stop().

1 files changed, 1 insertions, 0 deletions

diff --git a/timer.cpp b/timer.cpp
index 1285d65..b77251b 100644
--- a/timer.cpp
+++ b/timer.cpp
@@ -16,6 +16,7 @@ void Clock::start() {
 }
 
 void Clock::stop() {
+	if(!running) return;
 	running = false;
 	base += clock.GetElapsedTime();
 }