diff --git a/include/winspool.h b/include/winspool.h
index b4aa0c4..9304bc2 100644
--- a/include/winspool.h
+++ b/include/winspool.h
@@ -271,7 +271,7 @@
 			       LPDWORD lpdwReturned);
 #define EnumPrinters WINELIB_NAME_AW(EnumPrinters)
 
-
+BOOL WINAPI PrinterProperties(HWND hWnd, HANDLE hPrinter);
 
 #ifdef __cplusplus
 } // extern "C"