diff --git a/apps/openmw/mwworld/weather.cpp b/apps/openmw/mwworld/weather.cpp
index 10d065cbc..c940398fa 100644
--- a/apps/openmw/mwworld/weather.cpp
+++ b/apps/openmw/mwworld/weather.cpp
@@ -290,7 +290,6 @@ void WeatherManager::update(float duration)
     if (exterior)
     {
         std::string regionstr = Misc::StringUtils::lowerCase(MWBase::Environment::get().getWorld()->getPlayer().getPlayer().getCell()->mCell->mRegion);
-        Misc::StringUtils::toLower(regionstr);
 
         if (mWeatherUpdateTime <= 0 || regionstr != mCurrentRegion)
         {