diff --git a/include/shellapi.h b/include/shellapi.h
index a00e1037bd8..ff36803fa19 100644
--- a/include/shellapi.h
+++ b/include/shellapi.h
@@ -671,7 +671,7 @@ typedef struct _SHSTOCKICONINFO
 #define SHGSI_SHELLICONSIZE SHGFI_SHELLICONSIZE
 
 WINSHELLAPI HRESULT     WINAPI SHGetStockIconInfo(SHSTOCKICONID, UINT, SHSTOCKICONINFO*);
-WINSHELLAPI LPWSTR*     WINAPI CommandLineToArgvW(LPCWSTR,int*);
+WINSHELLAPI WCHAR**     WINAPI CommandLineToArgvW(const WCHAR*,int*) __WINE_DEALLOC(LocalFree);
 WINSHELLAPI HICON       WINAPI ExtractIconA(HINSTANCE,LPCSTR,UINT);
 WINSHELLAPI HICON       WINAPI ExtractIconW(HINSTANCE,LPCWSTR,UINT);
 #define                        ExtractIcon WINELIB_NAME_AW(ExtractIcon)