diff --git a/tests/test-device-fake.c b/tests/test-device-fake.c
index 4c61ed37..321bfe5b 100644
--- a/tests/test-device-fake.c
+++ b/tests/test-device-fake.c
@@ -187,6 +187,7 @@ fpi_device_fake_identify (FpDevice *device)
   else
     {
       fpi_device_identify_complete (device, fake_dev->ret_error);
+      g_clear_object (&fake_dev->ret_print);
     }
 }