diff --git a/casadm/cas_lib.c b/casadm/cas_lib.c
index 9066d71..c02046d 100644
--- a/casadm/cas_lib.c
+++ b/casadm/cas_lib.c
@@ -3018,7 +3018,15 @@ int standby_detach(int cache_id)
 		.cache_id = cache_id
 	};
 
-	return cas_ioctl(KCAS_IOCTL_STANDBY_DETACH, &cmd);
+	if (cas_ioctl(KCAS_IOCTL_STANDBY_DETACH, &cmd) != SUCCESS) {
+		print_err(cmd.ext_err_code ? : KCAS_ERR_SYSTEM);
+		return FAILURE;
+	}
+
+	cas_printf(LOG_INFO, "Successfully detached cache instance %hu\n",
+			cache_id);
+
+	return SUCCESS;
 }
 
 int standby_activate(int cache_id, const char *cache_device)