diff --git a/src/Server.cpp b/src/Server.cpp
index 11da36868..6f7d494be 100644
--- a/src/Server.cpp
+++ b/src/Server.cpp
@@ -84,7 +84,7 @@ void cServer::cTickThread::Execute(void)
 		if (TickTime < msPerTick)
 		{
 			// Stretch tick time until it's at least msPerTick
-			std::this_thread::sleep_for(msPerTick -TickTime);
+			std::this_thread::sleep_for(msPerTick - TickTime);
 		}
 
 		LastTime = NowTime;