diff --git a/interface/lib/classes/db_mysql.inc.php b/interface/lib/classes/db_mysql.inc.php
index e0d3517b91ec308e2584e78da60403282e5db617..c5f5e9fbc3a9e8bd736816976273b399b144533c 100644
--- a/interface/lib/classes/db_mysql.inc.php
+++ b/interface/lib/classes/db_mysql.inc.php
@@ -419,7 +419,7 @@ class db extends mysqli
 		if($this->show_error_messages && $conf['demo_mode'] === false) {
 			echo $sErrormsg . $sAddMsg;
 		} else if(is_object($app) && method_exists($app, 'log')) {
-				$app->log($sErrormsg . $sAddMsg, LOGLEVEL_WARN);
+				$app->log($sErrormsg . $sAddMsg . ' -> ' . $mysql_errno . ' (' . $mysql_error . ')', LOGLEVEL_WARN);
 			}
 	}
 
diff --git a/server/lib/classes/db_mysql.inc.php b/server/lib/classes/db_mysql.inc.php
index af846efb71db67d430075002578b9315b9fc02f9..e6600e9f5f63b00e95ea7b3a5bf9ed47c6737890 100644
--- a/server/lib/classes/db_mysql.inc.php
+++ b/server/lib/classes/db_mysql.inc.php
@@ -424,7 +424,7 @@ class db extends mysqli
 		if($this->show_error_messages && $conf['demo_mode'] === false) {
 			echo $sErrormsg . $sAddMsg;
 		} else if(is_object($app) && method_exists($app, 'log')) {
-				$app->log($sErrormsg . $sAddMsg, LOGLEVEL_WARN);
+				$app->log($sErrormsg . $sAddMsg . ' -> ' . $mysql_errno . ' (' . $mysql_error . ')', LOGLEVEL_WARN);
 			}
 	}