diff --git a/db/Provision/Service/db/mysql.php b/db/Provision/Service/db/mysql.php
index 28eafc2c7155d6bb6e3a791b482e6b35019968e6..2bfa528dc2cb84ce6ed029c126cdf456a483d675 100644
--- a/db/Provision/Service/db/mysql.php
+++ b/db/Provision/Service/db/mysql.php
@@ -280,7 +280,7 @@ port=%s
         // Close stderr as well.
         fclose($pipes[2]);
         if (proc_close($process) != 0) {
-          drush_set_error('PROVISION_BACKUP_FAILED', dt('Could not write database backup file mysqldump (error: %msg)', array('%msg' => $err)));
+          drush_set_error('PROVISION_BACKUP_FAILED', dt('Could not write database backup file mysqldump (command: %command) (error: %msg)', array('%msg' => $err, '%command' => $cmd)));
         }
       }
       else {