diff --git a/tests/sentinel.tcl b/tests/sentinel.tcl
index bb05103f..b19cafc1 100644
--- a/tests/sentinel.tcl
+++ b/tests/sentinel.tcl
@@ -393,4 +393,5 @@ proc restart_instance {type id} {
 if {[catch main e]} {
     puts $::errorInfo
     cleanup
+    exit 1
 }