diff --git a/lib/private/DB/Connection.php b/lib/private/DB/Connection.php
index 6b875bc42ccd0..a7164ecdc6369 100644
--- a/lib/private/DB/Connection.php
+++ b/lib/private/DB/Connection.php
@@ -282,7 +282,7 @@ public function executeQuery(string $sql, array $params = [], $types = [], Query
 				[
 					'tables' => $this->tableDirtyWrites,
 					'reads' => $tables,
-					'exception' => new \Exception(),
+					'exception' => new \Exception('dirty table reads: ' . $sql),
 				],
 			);
 			// To prevent a dirty read on a replica that is slightly out of sync, we