diff --git a/lib/platform/CXWindowsScreen.cpp b/lib/platform/CXWindowsScreen.cpp
index f5acec64..2251ecfc 100644
--- a/lib/platform/CXWindowsScreen.cpp
+++ b/lib/platform/CXWindowsScreen.cpp
@@ -111,11 +111,10 @@ CXWindowsScreen::CXWindowsScreen(const char* displayName, bool isPrimary, int mo
 	s_screen = this;
 	
 	// initializes Xlib support for concurrent threads.
-	// ...which breaks badly on RHEL for some reason, upstream #194
-	//if (XInitThreads() == 0)
-	//{
-	//	throw XArch("XInitThreads() returned zero");
-	//}
+	if (XInitThreads() == 0)
+	{
+		throw XArch("XInitThreads() returned zero");
+	}
 	
 
 	// set the X I/O error handler so we catch the display disconnecting