diff --git a/tests/instances.tcl b/tests/instances.tcl
index 26d0737c6..84ebec1c2 100644
--- a/tests/instances.tcl
+++ b/tests/instances.tcl
@@ -396,7 +396,7 @@ proc restart_instance {type id} {
 
     # Check that the instance is running
     if {[server_is_up 127.0.0.1 $port 100] == 0} {
-        abort_sentinel_test "Problems starting $type #$j: ping timeout"
+        abort_sentinel_test "Problems starting $type #$id: ping timeout"
     }
 
     # Connect with it with a fresh link