diff --git a/packages/rocketchat-theme/client/imports/general/base.css b/packages/rocketchat-theme/client/imports/general/base.css
index f4a7f3adcdab..ebcdd66a47cb 100644
--- a/packages/rocketchat-theme/client/imports/general/base.css
+++ b/packages/rocketchat-theme/client/imports/general/base.css
@@ -85,7 +85,7 @@ button {
 	position: relative;
 
 	max-height: 100%;
-	height: 1px;
+	height: 100%;
 
 	&.animated-hidden {
 		visibility: hidden;