diff --git a/win32.c b/win32.c
--- a/win32.c
+++ b/win32.c
@@ -2299,7 +2299,7 @@ void CSleep(int milliseconds)
 
 // Utility function to get the current timestamp in milliseconds
 // Useful for profiling
-int64 GetTS()
+int64 GetTS(void)
 {
 	static double freq;
 	__int64 value;
@@ -2309,4 +2309,4 @@ int64 GetTS()
 	}
 	QueryPerformanceCounter((LARGE_INTEGER*)&value);
 	return (__int64)(value * freq);
-}
\ No newline at end of file
+}