diff --git a/include/winbase.h b/include/winbase.h
index 9974532f4e4..365c6a714d4 100644
--- a/include/winbase.h
+++ b/include/winbase.h
@@ -1369,7 +1369,7 @@ DWORD       WINAPI GetEnvironmentVariableW(LPCWSTR,LPWSTR,DWORD);
 #define     GetEnvironmentVariable WINELIB_NAME_AW(GetEnvironmentVariable)
 BOOL        WINAPI GetFileAttributesExA(LPCSTR,GET_FILEEX_INFO_LEVELS,LPVOID);
 BOOL        WINAPI GetFileAttributesExW(LPCWSTR,GET_FILEEX_INFO_LEVELS,LPVOID);
-#define     GetFileattributesEx WINELIB_NAME_AW(GetFileAttributesEx)
+#define     GetFileAttributesEx WINELIB_NAME_AW(GetFileAttributesEx)
 DWORD       WINAPI GetFileInformationByHandle(HANDLE,BY_HANDLE_FILE_INFORMATION*);
 BOOL        WINAPI GetFileSecurityA(LPCSTR,SECURITY_INFORMATION,PSECURITY_DESCRIPTOR,DWORD,LPDWORD);
 BOOL        WINAPI GetFileSecurityW(LPCWSTR,SECURITY_INFORMATION,PSECURITY_DESCRIPTOR,DWORD,LPDWORD);