diff --git a/issues/_common/header b/issues/_common/header
index 650b314..f4d7134 100644
--- a/issues/_common/header
+++ b/issues/_common/header
@@ -51,12 +51,12 @@
 
 .permalink {
     color: blue;
-    text-decoration: none;
+    text-decoration: underline;
 }
 
 a {
     color: black;
-    text-decoration: none;
+    text-decoration: underline;
 }
 
 .permalink::before { content: "↗ "; }