diff --git a/test/test_item_updater.cpp b/test/test_item_updater.cpp
index b2cb62a..6b92e38 100644
--- a/test/test_item_updater.cpp
+++ b/test/test_item_updater.cpp
@@ -677,7 +677,8 @@
         .WillByDefault(Return(false));
     EXPECT_CALL(sdbusMock, sd_bus_message_new_method_call(_, _, _, _, _,
                                                           StrEq("StartUnit")))
-        .Times(1);
+        .Times(3); // There are 3 systemd units are started, enable bmc reboot
+                   // guard, start activation, and disable bmc reboot guard
     onPsuInventoryChanged(psuPath, propAdded);
     onPsuInventoryChanged(psuPath, propModel);
 }