diff --git a/reactos/iface/native/sysfuncs.lst b/reactos/iface/native/sysfuncs.lst
index cde4c07bab8..cceb6c8a182 100644
--- a/reactos/iface/native/sysfuncs.lst
+++ b/reactos/iface/native/sysfuncs.lst
@@ -61,7 +61,7 @@ NtFreeVirtualMemory ZwFreeVirtualMemory 4
 NtFsControlFile ZwFsControlFile 10
 NtGetContextThread ZwGetContextThread 2
 NtGetPlugPlayEvent ZwGetPlugPlayEvent 4
-NtGetTickCount ZwGetTickCount 1
+NtGetTickCount ZwGetTickCount 0
 NtImpersonateClientOfPort ZwImpersonateClientOfPort 2
 NtImpersonateThread ZwImpersonateThread 3
 NtInitializeRegistry ZwInitializeRegistry 1
diff --git a/reactos/include/ntos/zw.h b/reactos/include/ntos/zw.h
index e66eba54a0d..8549f481f39 100755
--- a/reactos/include/ntos/zw.h
+++ b/reactos/include/ntos/zw.h
@@ -1,5 +1,5 @@
 
-/* $Id: zw.h,v 1.23 2004/04/20 20:39:19 jimtabor Exp $
+/* $Id: zw.h,v 1.24 2004/05/01 19:22:49 ekohl Exp $
  *
  * COPYRIGHT:        See COPYING in the top level directory
  * PROJECT:          ReactOS kernel
@@ -5413,10 +5413,10 @@ ZwFlushVirtualMemory(
  *        UpTime = Number of clock ticks since boot.
  * RETURNS: Status 
  */
-NTSTATUS
-STDCALL 
+ULONG
+STDCALL
 ZwGetTickCount(
-	PULONG UpTime
+	VOID
 	);
 
 /*
diff --git a/reactos/lib/ntdll/def/ntdll.def b/reactos/lib/ntdll/def/ntdll.def
index aa7a4ccc3fc..4b3715dab8a 100644
--- a/reactos/lib/ntdll/def/ntdll.def
+++ b/reactos/lib/ntdll/def/ntdll.def
@@ -1,4 +1,4 @@
-; $Id: ntdll.def,v 1.118 2004/03/24 23:42:39 gdalsnes Exp $
+; $Id: ntdll.def,v 1.119 2004/05/01 19:21:44 ekohl Exp $
 ;
 ; ReactOS Operating System
 ;
@@ -126,7 +126,7 @@ NtFreeVirtualMemory@16
 NtFsControlFile@40
 NtGetContextThread@8
 NtGetPlugPlayEvent@16
-NtGetTickCount@4
+NtGetTickCount@0
 NtImpersonateClientOfPort@8
 NtImpersonateThread@12
 NtInitializeRegistry@4
@@ -710,7 +710,7 @@ ZwFreeVirtualMemory@16
 ZwFsControlFile@40
 ZwGetContextThread@8
 ZwGetPlugPlayEvent@16
-ZwGetTickCount@4
+ZwGetTickCount@0
 ZwImpersonateClientOfPort@8
 ZwImpersonateThread@12
 ZwInitializeRegistry@4
diff --git a/reactos/lib/ntdll/def/ntdll.edf b/reactos/lib/ntdll/def/ntdll.edf
index 627e323b779..a97cacd4be9 100644
--- a/reactos/lib/ntdll/def/ntdll.edf
+++ b/reactos/lib/ntdll/def/ntdll.edf
@@ -1,4 +1,4 @@
-; $Id: ntdll.edf,v 1.108 2004/03/24 23:42:39 gdalsnes Exp $
+; $Id: ntdll.edf,v 1.109 2004/05/01 19:21:44 ekohl Exp $
 ;
 ; ReactOS Operating System
 ;
@@ -126,7 +126,7 @@ NtFreeVirtualMemory=NtFreeVirtualMemory@16
 NtFsControlFile=NtFsControlFile@40
 NtGetContextThread=NtGetContextThread@8
 NtGetPlugPlayEvent=NtGetPlugPlayEvent@16
-NtGetTickCount=NtGetTickCount@4
+NtGetTickCount=NtGetTickCount@0
 NtImpersonateClientOfPort=NtImpersonateClientOfPort@8
 NtImpersonateThread=NtImpersonateThread@12
 NtInitializeRegistry=NtInitializeRegistry@4
@@ -711,7 +711,7 @@ ZwFreeVirtualMemory=ZwFreeVirtualMemory@16
 ZwFsControlFile=ZwFsControlFile@40
 ZwGetContextThread=ZwGetContextThread@8
 ZwGetPlugPlayEvent=ZwGetPlugPlayEvent@16
-ZwGetTickCount=ZwGetTickCount@4
+ZwGetTickCount=ZwGetTickCount@0
 ZwImpersonateClientOfPort=ZwImpersonateClientOfPort@8
 ZwImpersonateThread=ZwImpersonateThread@12
 ZwInitializeRegistry=ZwInitializeRegistry@4