diff --git a/modules/Install/models/Utils.php b/modules/Install/models/Utils.php
index e24846892a1bf726a59e087ef197a5ae56c5d3d9..617c907d94c6b0df13d3461bb88dc6924e2e31cd 100644
--- a/modules/Install/models/Utils.php
+++ b/modules/Install/models/Utils.php
@@ -358,7 +358,7 @@ class Install_Utils_Model {
 		if($db_type) {
 			// Backward compatible mode for adodb library.
 			if ($db_type == 'mysqli') {
-				mysqli_report(MYSQLI_REPORT_ALL ^ MYSQLI_REPORT_STRICT);
+				mysqli_report(MYSQLI_REPORT_ALL ^ MYSQLI_REPORT_STRICT ^ MYSQLI_REPORT_INDEX);
 			}
 			
 			$conn = NewADOConnection($db_type);