diff --git a/app/assets/javascripts/line_highlighter.js.coffee b/app/assets/javascripts/line_highlighter.js.coffee
index a8b3c1fa33..e604e6025c 100644
--- a/app/assets/javascripts/line_highlighter.js.coffee
+++ b/app/assets/javascripts/line_highlighter.js.coffee
@@ -70,7 +70,7 @@ class @LineHighlighter
 
     @clearHighlight()
 
-    lineNumber = $(event.target).data('line-number')
+    lineNumber = $(event.target).closest('a').data('line-number')
     current = @hashToRange(@_hash)
 
     unless current[0] && event.shiftKey