diff --git a/reactos/dll/win32/shell32/dialogs.c b/reactos/dll/win32/shell32/dialogs.c
index eb5c1a18ba2..53ca8b650f5 100644
--- a/reactos/dll/win32/shell32/dialogs.c
+++ b/reactos/dll/win32/shell32/dialogs.c
@@ -406,6 +406,16 @@ int WINAPI RestartDialogEx(HWND hWndOwner, LPCWSTR lpwstrReason, DWORD uFlags, D
     return 0;
 }
 
+/************************************************************************* 	 
+ * LogoffWindowsDialog                          [SHELL32.54] 	 
+ */ 	 
+               
+int WINAPI LogoffWindowsDialog(DWORD uFlags) 	 
+{ 	 
+   ERR("LogoffWindowsDialog is UNIMPLEMENTED\n"); 	 
+   ExitWindowsEx(EWX_LOGOFF, 0); 	 
+   return 0; 	 
+}
 
 /*************************************************************************
  * RestartDialog				[SHELL32.59]
diff --git a/reactos/dll/win32/shell32/shell32.spec b/reactos/dll/win32/shell32/shell32.spec
index 66e8cb96372..159bc11970a 100644
--- a/reactos/dll/win32/shell32/shell32.spec
+++ b/reactos/dll/win32/shell32/shell32.spec
@@ -49,6 +49,7 @@
   51 stdcall PathResolve(str long long) PathResolveAW
   52 stdcall -noname PathGetArgs(str) PathGetArgsAW
   53 stdcall DoEnvironmentSubst(long long) DoEnvironmentSubstAW
+  54 stdcall -noname LogoffWindowsDialog(ptr)
   55 stdcall -noname PathQuoteSpaces(ptr) PathQuoteSpacesAW
   56 stdcall -noname PathUnquoteSpaces(str) PathUnquoteSpacesAW
   57 stdcall -noname PathGetDriveNumber(str) PathGetDriveNumberAW