diff --git a/plugins/dell/fu-plugin-dell.c b/plugins/dell/fu-plugin-dell.c
index 2100053b1..552c8aeb1 100644
--- a/plugins/dell/fu-plugin-dell.c
+++ b/plugins/dell/fu-plugin-dell.c
@@ -351,9 +351,8 @@ fu_plugin_usb_device_added (FuPlugin *plugin,
 
 	buf.buf = NULL;
 	if (!fu_dell_query_dock (data->smi_obj, &buf)) {
-		g_set_error_literal (error, FWUPD_ERROR, FWUPD_ERROR_NOT_SUPPORTED,
-				     "no dock detected");
-		return FALSE;
+		g_debug ("no dock detected");
+		return TRUE;
 	}
 
 	if (buf.record->dock_info_header.dir_version != 1) {
diff --git a/plugins/dell/fu-self-test.c b/plugins/dell/fu-self-test.c
index 298adbc0e..bf3546696 100644
--- a/plugins/dell/fu-self-test.c
+++ b/plugins/dell/fu-self-test.c
@@ -301,7 +301,7 @@ fu_plugin_dell_dock_func (void)
 					   DOCK_NIC_VID, DOCK_NIC_PID,
 					   NULL, FALSE);
 	ret = fu_plugin_usb_device_added (plugin_dell, NULL, &error);
-	g_assert_false (ret);
+	g_assert_true (ret);
 	g_clear_error (&error);
 	g_assert_cmpint (devices->len, ==, 0);