diff --git a/ui/geary.css b/ui/geary.css
index 0f42c927..1455e30f 100644
--- a/ui/geary.css
+++ b/ui/geary.css
@@ -15,7 +15,7 @@
 }
 
 .geary-folder-frame {
-  min-width: 250px;
+  min-width: 300px;
 }
 
 geary-conversation-list revealer {