diff --git a/kernel/trunk/gui/window.inc b/kernel/trunk/gui/window.inc
index 34489c3194..98cae3012f 100644
--- a/kernel/trunk/gui/window.inc
+++ b/kernel/trunk/gui/window.inc
@@ -22,7 +22,7 @@ get_rolledup_height: ; edi = window draw_data pointer
 	mov	al,[edi+WDATA.fl_wstyle]
 	and	al,0x0F
 	cmp	al,0x03
-	jne	@f
+	jb	@f
 	mov	eax,[_skinh]
 	add	eax,3
 	ret