diff --git a/less/modules/alerts.less b/less/modules/alerts.less
index 97168c9..b1bd122 100644
--- a/less/modules/alerts.less
+++ b/less/modules/alerts.less
@@ -35,19 +35,19 @@
 
 		&.animate {
 			&.alert-info::before {
-				background-color: lighten(@brand-info, 25%);
+				background-color: lighten(@material-info, 25%);
 			}
 			
 			&.alert-warning::before {
-				background-color: lighten(@brand-warning, 25%);
+				background-color: lighten(@material-warning, 25%);
 			}
 			
 			&.alert-success::before {
-				background-color: lighten(@brand-success, 25%);
+				background-color: lighten(@material-success, 25%);
 			}
 			
 			&.alert-danger::before {
-				background-color: lighten(@brand-danger, 25%);
+				background-color: lighten(@material-danger, 25%);
 			}
 			
 			&::before {