diff --git a/source/cEvent.cpp b/source/cEvent.cpp
index aee6b866e..4ed8f65f5 100644
--- a/source/cEvent.cpp
+++ b/source/cEvent.cpp
@@ -105,7 +105,7 @@ void cEvent::Wait(void)
 void cEvent::Set(void)
 {
 #ifdef _WIN32
-	if (SetEvent(m_Event))
+	if (!SetEvent(m_Event))
 	{
 		LOGWARN("cEvent: Could not set cEvent: GLE = %d", GetLastError());
 	}