diff --git a/dibi/libs/DibiFirePhpLogger.php b/dibi/libs/DibiFirePhpLogger.php
index 64cf94c3..3de31449 100644
--- a/dibi/libs/DibiFirePhpLogger.php
+++ b/dibi/libs/DibiFirePhpLogger.php
@@ -61,6 +61,11 @@ class DibiFirePhpLogger extends DibiObject
 			return;
 		}
 
+		if (!$this->numOfQueries) {
+			header('X-Wf-Protocol-dibi: http://meta.wildfirehq.org/Protocol/JsonStream/0.2');
+			header('X-Wf-dibi-Plugin-1: http://meta.firephp.org/Wildfire/Plugin/FirePHP/Library-FirePHPCore/0.2.0');
+			header('X-Wf-dibi-Structure-1: http://meta.firephp.org/Wildfire/Structure/FirePHP/FirebugConsole/0.1');
+		}
 		$this->totalTime += $event->time;
 		$this->numOfQueries++;
 		self::$fireTable[] = array(
@@ -70,10 +75,6 @@ class DibiFirePhpLogger extends DibiObject
 			$event->connection->getConfig('driver') . '/' . $event->connection->getConfig('name')
 		);
 
-		header('X-Wf-Protocol-dibi: http://meta.wildfirehq.org/Protocol/JsonStream/0.2');
-		header('X-Wf-dibi-Plugin-1: http://meta.firephp.org/Wildfire/Plugin/FirePHP/Library-FirePHPCore/0.2.0');
-		header('X-Wf-dibi-Structure-1: http://meta.firephp.org/Wildfire/Structure/FirePHP/FirebugConsole/0.1');
-
 		$payload = json_encode(array(
 			array(
 				'Type' => 'TABLE',