diff --git a/wincon/pdckbd.c b/wincon/pdckbd.c
index 0ba5579e..396c166c 100644
--- a/wincon/pdckbd.c
+++ b/wincon/pdckbd.c
@@ -617,13 +617,13 @@ static void _process_mouse_event(void)
 
     /* Handle scroll wheel */
 
-#ifdef HOUSE_WHEELED
+#ifdef MOUSE_WHEELED
     if (MEV.dwEventFlags == MOUSE_WHEELED)
         event = (MEV.dwButtonState & 0xFF000000) ?
                PDC_MOUSE_WHEEL_DOWN : PDC_MOUSE_WHEEL_UP;
 #endif
 
-#ifdef HOUSE_HWHEELED
+#ifdef MOUSE_HWHEELED
     if (MEV.dwEventFlags == MOUSE_HWHEELED)
         event = (MEV.dwButtonState & 0xFF000000) ?
                PDC_MOUSE_WHEEL_RIGHT : PDC_MOUSE_WHEEL_LEFT;