--- st-undercurl-0.8.4-20210822.diff.orig	2022-10-05 19:36:59.378598561 -0700
+++ st-undercurl-0.8.4-20210822.diff	2022-10-05 19:37:34.102012806 -0700
@@ -247,7 +247,7 @@
  
  	/* Render underline and strikethrough. */
  	if (base.mode & ATTR_UNDERLINE) {
--		XftDrawRect(xw.draw, fg, winx, winy + dc.font.ascent + 1,
+-		XftDrawRect(xw.draw, fg, winx, winy + dc.font.ascent * chscale + 1,
 -				width, 1);
 +		// Underline Color
 +		const int widthThreshold  = 28; // +1 width every widthThreshold px of font

.