diff --git a/reactos/ntoskrnl/ke/i386/ctxswitch.S b/reactos/ntoskrnl/ke/i386/ctxswitch.S
index bb974564034..22b5ccf051d 100644
--- a/reactos/ntoskrnl/ke/i386/ctxswitch.S
+++ b/reactos/ntoskrnl/ke/i386/ctxswitch.S
@@ -170,12 +170,12 @@ BadThread:
 
 NoAdjust:
 
-    /* Set new ESP0 */
-    //mov [ebp+KTSS_ESP0], eax
-
     /* Save it */
     push [ebp+KTSS_ESP0]
 
+    /* Set new ESP0 */
+    mov [ebp+KTSS_ESP0], eax
+
     /* Set TEB pointer */
     mov eax, [esi+KTHREAD_TEB]
     mov [ebx+KPCR_TEB], eax