diff --git a/package/qt5/qt5virtualkeyboard/qt5virtualkeyboard.mk b/package/qt5/qt5virtualkeyboard/qt5virtualkeyboard.mk
index 8e997a2426..1e76332f75 100644
--- a/package/qt5/qt5virtualkeyboard/qt5virtualkeyboard.mk
+++ b/package/qt5/qt5virtualkeyboard/qt5virtualkeyboard.mk
@@ -16,7 +16,7 @@ QT5VIRTUALKEYBOARD_LICENSE_FILES = LICENSE.GPL3
 
 QT5VIRTUALKEYBOARD_LANGUAGE_LAYOUTS = $(call qstrip,$(BR2_PACKAGE_QT5VIRTUALKEYBOARD_LANGUAGE_LAYOUTS))
 ifneq ($(strip $(QT5VIRTUALKEYBOARD_LANGUAGE_LAYOUTS)),)
-QT5VIRTUALKEYBOARD_QMAKEFLAGS += CONFIG+="$(foreach lang,$(QT5VIRTUALKEYBOARD_LANGUAGE_LAYOUTS),lang-$(lang))"
+QT5VIRTUALKEYBOARD_CONF_OPTS += CONFIG+="$(foreach lang,$(QT5VIRTUALKEYBOARD_LANGUAGE_LAYOUTS),lang-$(lang))"
 
 ifneq ($(filter ja_JP all,$(QT5VIRTUALKEYBOARD_LANGUAGE_LAYOUTS)),)
 QT5VIRTUALKEYBOARD_LICENSE += , Apache-2.0 (openwnn)