diff --git a/src/Query/Grammars/DB2Grammar.php b/src/Query/Grammars/DB2Grammar.php
index 21b54ac..57332e6 100644
--- a/src/Query/Grammars/DB2Grammar.php
+++ b/src/Query/Grammars/DB2Grammar.php
@@ -40,6 +40,8 @@ class DB2Grammar extends Grammar
      */
     public function compileSelect(Builder $query)
     {
+        if (is_null($query->columns)) $query->columns = array('*');
+
         $components = $this->compileComponents($query);
 
         // If an offset is present on the query, we will need to wrap the query in