diff --git a/services/web/public/stylesheets/app/editor/file-tree.less b/services/web/public/stylesheets/app/editor/file-tree.less
index 5a4d7feed1..7847822bf9 100644
--- a/services/web/public/stylesheets/app/editor/file-tree.less
+++ b/services/web/public/stylesheets/app/editor/file-tree.less
@@ -35,6 +35,10 @@ aside#file-tree {
 			line-height: 2.6;
 			position: relative;
 
+			.entity {
+				user-select: none;
+			}
+
 			.entity-name {
 				color: @gray-darker;
 				cursor: pointer;