1 files changed, 1 insertions, 1 deletions
diff --git a/src/game/Weather.h b/src/game/Weather.h
index 7fc3068ffe7..8d9585b07d3 100644
--- a/src/game/Weather.h
+++ b/src/game/Weather.h
@@ -62,7 +62,7 @@ class Weather
         void SetWeather(WeatherType type, float grade);
         /// For which zone is this weather?
         uint32 GetZone() { return m_zone; };
-        bool Update(time_t diff);
+        bool Update(uint32 diff);
     private:
         WeatherState GetWeatherState() const;
         uint32 m_zone;