diff --git a/reactos/subsystems/mvdm/ntvdm/dos/dem.c b/reactos/subsystems/mvdm/ntvdm/dos/dem.c
index ebe4459de0d..afe3067a277 100644
--- a/reactos/subsystems/mvdm/ntvdm/dos/dem.c
+++ b/reactos/subsystems/mvdm/ntvdm/dos/dem.c
@@ -1300,7 +1300,7 @@ static VOID WINAPI DosStart(LPWORD Stack)
     }
 
     /* Load the mouse driver */
-    // DosMouseInitialize();
+    DosMouseInitialize();
 
 #ifndef STANDALONE