diff --git a/watch_valgrind.py b/watch_valgrind.py
index 848c426..545b5e3 100644
--- a/watch_valgrind.py
+++ b/watch_valgrind.py
@@ -55,4 +55,5 @@ def watch_valgrind():
 	sys.exit(0)
 	
 if __name__ == '__main__':
+	signal.signal(signal.SIGINT, lambda signum, frame: sys.exit(1))
 	watch_valgrind()