diff --git a/static/editor.less b/static/editor.less
index 990097d06..55e9134c2 100644
--- a/static/editor.less
+++ b/static/editor.less
@@ -92,8 +92,10 @@
   line-height: 1.3;
 }
 
-.editor .gutter .line-number.cursor-line {
-  opacity: 1;
+.editor .gutter {
+  .line-number.cursor-line, .line-number.selection-line {
+    opacity: 1;
+  }
 }
 
 .editor .gutter {