diff --git a/src/TableWriter.php b/src/TableWriter.php
index c1399e0..c3cb0c5 100644
--- a/src/TableWriter.php
+++ b/src/TableWriter.php
@@ -46,10 +46,15 @@ public function writeItem(array $item) {
     /**
      * {@inheritdoc}
      */
-    public function finish() {
-        $this->table->setHeaders(array_keys($this->firstItem));
-        $this->table->render();
-
+    public function finish() {    	
+        if(!is_null($this->firstItem)) {
+		    $this->table->setHeaders(array_keys($this->firstItem));
+	    }else{
+		    $this->table->setHeaders(array('Result'));
+		    $this->table->addRow(array('No items processed.'));
+		}
+
+	    $this->table->render();
         $this->firstItem = null;
     }
 }