diff --git a/styles/main.css b/styles/main.css
index 2312044..1d0fec5 100644
--- a/styles/main.css
+++ b/styles/main.css
@@ -6,4 +6,4 @@
 @import url("./apps.css");
 
 /* Make the chat sidebar the same width as all the other tabs */
-.chat-sidebar:not(.sidebar-popout) { width: unset; }
+.chat-sidebar:not(.sidebar-popout) { width: var(--sidebar-width); }