diff --git a/lib/minimap-render-view.coffee b/lib/minimap-render-view.coffee
index 74bfa42e..c30fd303 100644
--- a/lib/minimap-render-view.coffee
+++ b/lib/minimap-render-view.coffee
@@ -438,7 +438,7 @@ class MinimapRenderView extends ScrollView
 
     # Whitespaces can be substituted by other characters so we need
     # to replace them when that's the case.
-    if line.invisibles?
+    if line? and line.invisibles?
       re = ///
       #{line.invisibles.cr}|
       #{line.invisibles.eol}|