diff --git a/coreapi/linphonecore.c b/coreapi/linphonecore.c
index 8bf967e24..dd8a48c7d 100644
--- a/coreapi/linphonecore.c
+++ b/coreapi/linphonecore.c
@@ -2267,7 +2267,7 @@ static void linphone_core_init(LinphoneCore * lc, LinphoneCoreCbs *cbs, LpConfig
 	lc->factory = ms_factory_new_with_voip_and_directories(msplugins_dir, image_resources_dir);
 	lc->sal->setFactory(lc->factory);
 
-	belr::GrammarLoader::get().addPath(getPlatformHelpers(lc)->getDataPath());
+	belr::GrammarLoader::get().addPath(std::string(linphone_factory_get_top_resources_dir(lfactory)).append("/belr/grammars").c_str());
 
 	linphone_task_list_init(&lc->hooks);