diff --git a/lib/less/visitors/visitor.js b/lib/less/visitors/visitor.js
index 235ce85e9..6f6bc5b08 100644
--- a/lib/less/visitors/visitor.js
+++ b/lib/less/visitors/visitor.js
@@ -80,8 +80,16 @@ class Visitor {
             }
         }
 
-        if (visitArgs.visitDeeper && node && node.accept) {
-            node.accept(this);
+        if (visitArgs.visitDeeper && node) {
+            if (node.length) {
+                for (var i = 0, cnt = node.length; i < cnt; i++) {
+                    if (node[i].accept) {
+                        node[i].accept(this);
+                    }
+                }
+            } else if (node.accept) {
+                node.accept(this);
+            }
         }
 
         if (funcOut != _noop) {