diff --git a/console.php b/console.php
index 5101a5f..d94c093 100644
--- a/console.php
+++ b/console.php
@@ -369,7 +369,11 @@ class console
             else
               echo "$val\n";
           }
-          $addChars = $this->shortestIdenticalValues ($completeArr);
+          if ($isAssoc)
+            $addChars = $this->shortestIdenticalValues (
+              array_keys ($completeArr));
+          else
+            $addChars = $this->shortestIdenticalValues ($completeArr);
           if ($addChars === "")
             $addChars = $end;
           if ($start !== "")