diff --git a/core/css/apps.scss b/core/css/apps.scss
index eb554b8f061..94bb1dc00cd 100644
--- a/core/css/apps.scss
+++ b/core/css/apps.scss
@@ -638,8 +638,8 @@ em {
 				padding: 0 10px;
 			}
 		}
-		[class^="icon-"],
-		[class*=" icon-"]{
+		[class^='icon-'],
+		[class*=' icon-']{
 			/* Keep padding to define the width to
 			 assure correct position of a possible text */
 			padding: 18px 0 18px 36px;