diff --git a/Sources/Entities/Player.es b/Sources/Entities/Player.es
index 4f55061..d02be99 100644
--- a/Sources/Entities/Player.es
+++ b/Sources/Entities/Player.es
@@ -2238,7 +2238,7 @@ functions:
 
   void RenderGameView(CDrawPort *pdp, void *pvUserData)
   {
-    BOOL bShowExtras = (ULONG(pvUserData)&GRV_SHOWEXTRAS);
+    BOOL bShowExtras = (size_t(pvUserData)&GRV_SHOWEXTRAS);
 
     // if not yet initialized
     if(!(m_ulFlags&PLF_INITIALIZED) || (m_ulFlags&PLF_DONTRENDER)) {