diff --git a/package/cegui/cegui.mk b/package/cegui/cegui.mk
index 23919e0151..d578c9913c 100644
--- a/package/cegui/cegui.mk
+++ b/package/cegui/cegui.mk
@@ -9,7 +9,8 @@ CEGUI_SITE = $(call github,cegui,cegui,v$(CEGUI_VERSION))
 CEGUI_LICENSE = MIT
 CEGUI_LICENSE_FILES = COPYING
 CEGUI_INSTALL_STAGING = YES
-CEGUI_CONF_OPTS += -DCEGUI_BUILD_XMLPARSER_XERCES=OFF \
+CEGUI_CONF_OPTS = \
+	-DCEGUI_BUILD_XMLPARSER_XERCES=OFF \
 	-DCEGUI_HAS_MINIZIP_RESOURCE_PROVIDER=OFF \
 	-DCEGUI_BUILD_RENDERER_OGRE=OFF
 CEGUI_DEPENDENCIES = glm \