diff --git a/htdocs/theme/eldy/main_menu_fa_icons.inc.php b/htdocs/theme/eldy/main_menu_fa_icons.inc.php
index f193af733c9..60c3746fe66 100644
--- a/htdocs/theme/eldy/main_menu_fa_icons.inc.php
+++ b/htdocs/theme/eldy/main_menu_fa_icons.inc.php
@@ -15,7 +15,7 @@
 	-webkit-font-smoothing: antialiased;
 	text-align:center;
 	text-decoration:none;
-	color: #<?php echo $colortextbackhmenu; ?>;
+	color: var(--colortextbackhmenu);
 }
 
 .fa-15x {
diff --git a/htdocs/theme/md/main_menu_fa_icons.inc.php b/htdocs/theme/md/main_menu_fa_icons.inc.php
index b8f45808293..34827384139 100644
--- a/htdocs/theme/md/main_menu_fa_icons.inc.php
+++ b/htdocs/theme/md/main_menu_fa_icons.inc.php
@@ -15,7 +15,7 @@
 	-webkit-font-smoothing: antialiased;
 	text-align:center;
 	text-decoration:none;
-	color: #<?php echo $colortextbackhmenu; ?>;
+	color: var(--colortextbackhmenu);
 }
 
 .fa-15x {