diff --git a/res/css/_mirccolor.sass b/res/css/_mirccolor.sass
index 6f56b360d031796b55fa564989e50aa6ab947249..ae04d7ce611fbf2ff531dddc076d1e47dade0960 100644
--- a/res/css/_mirccolor.sass
+++ b/res/css/_mirccolor.sass
@@ -10,6 +10,9 @@
 .irc_strikethrough
   text-decoration: line-through
 
+.irc_strikethrough.irc_underline
+  text-decoration: line-through underline
+
 .irc_monospace
   font-family: 'Roboto Mono', 'Source Code Pro', monospace