diff --git a/conf/params.distrib.xml b/conf/params.distrib.xml
index c11fad3..0992f35 100644
--- a/conf/params.distrib.xml
+++ b/conf/params.distrib.xml
@@ -107,5 +107,5 @@
   <!-- iTop user set as allowed to run synchronization. It is highly recommended to use the same as itop_login. By default, it is the same as itop_login -->
   <synchro_user></synchro_user>
   <!-- date format in collected data -->
-  <date_format>Y-m-d</date_format>
+  <date_format>Y-m-d H:i:s</date_format>
 </parameters>
diff --git a/core/collector.class.inc.php b/core/collector.class.inc.php
index 3b4d624..f09c582 100644
--- a/core/collector.class.inc.php
+++ b/core/collector.class.inc.php
@@ -708,6 +708,8 @@ public function Synchronize($iMaxChunkSize = 0)
 				Utils::Log(LOG_ERR, $sTrimmedOutput);
 
 				return false;
+			} else {
+				Utils::Log(LOG_DEBUG, $sTrimmedOutput);
 			}
 		}