diff --git a/res/themes/light-custom/css/_custom.scss b/res/themes/light-custom/css/_custom.scss
index c3a726dffa..81b7fa62b8 100644
--- a/res/themes/light-custom/css/_custom.scss
+++ b/res/themes/light-custom/css/_custom.scss
@@ -141,3 +141,4 @@ $reaction-row-button-selected-bg-color: var(--reaction-row-button-selected-bg-co
 
 $menu-selected-color: var(--menu-selected-color, $menu-selected-color);
 $other-user-pill-bg-color: var(--other-user-pill-bg-color, $other-user-pill-bg-color);
+$icon-button-color: var(--icon-button-color, $icon-button-color);