diff --git a/polybar/config b/polybar/config
index 937579e..b01721a 100644
--- a/polybar/config
+++ b/polybar/config
@@ -117,6 +117,8 @@ label = %date% %time%
 type = internal/volume
 
 format-volume = <label-volume>
+format-volume-underline = #e83c3a
+
 label-volume = Vol: %percentage%%
 label-volume-foreground = ${root.foreground}