diff --git a/assets/packages.tex b/assets/packages.tex
index 2dd5097..0f82ae0 100644
--- a/assets/packages.tex
+++ b/assets/packages.tex
@@ -122,10 +122,10 @@
   spaceabove=1em plus 0.75em minus 0.25em,
 	numberwithin=chapter,
   bodyfont=\normalfont,
-	headformat=\ensuremath{\blacktriangleright} \NAME~\NUMBER\NOTE,
+	headformat=†~\NAME~\NUMBER\NOTE,
 	headpunct={:},
 	postheadspace=2em,
-	qed=\ensuremath{\blacktriangleleft{}},
+	qed={\ibmplexsanscondensed{}\textbf{‡}},
   spacebelow=1em plus 0.75em minus 0.25em,
 ]{exmpstyle}