diff --git a/reactos/ntoskrnl/ke/i386/cpu.c b/reactos/ntoskrnl/ke/i386/cpu.c
index e3e94e765a3..20bc0a6497c 100644
--- a/reactos/ntoskrnl/ke/i386/cpu.c
+++ b/reactos/ntoskrnl/ke/i386/cpu.c
@@ -1030,7 +1030,7 @@ KeFlushEntireTb(IN BOOLEAN Invalid,
 
     /* Get the current processor affinity, and exclude ourselves */
     TargetAffinity = KeActiveProcessors;
-    TargetAffinity &= ~KeGetCurrentPrcb()->SetMember;
+    TargetAffinity &= ~Prcb->SetMember;
 
     /* Make sure this is MP */
     if (TargetAffinity)