diff --git a/tester/offeranswer_tester.c b/tester/offeranswer_tester.c
index 5a70a42ba..2df43bbdf 100644
--- a/tester/offeranswer_tester.c
+++ b/tester/offeranswer_tester.c
@@ -35,7 +35,7 @@ static int get_codec_position(const MSList *l, const char *mime_type, int rate){
 
 /*check basic things about codecs at startup: order and enablement*/
 static void start_with_no_config(void){
-	LinphoneCore *lc=linphone_factory_create_core(linphone_factory_get(), NULL, NULL, NULL);
+	LinphoneCore *lc=linphone_factory_create_core_2(linphone_factory_get(), NULL, NULL, NULL, NULL, system_context);
 	const MSList *codecs=linphone_core_get_audio_codecs(lc);
 	int opus_codec_pos;
 	int speex_codec_pos=get_codec_position(codecs, "speex", 8000);
diff --git a/tester/vcard_tester.c b/tester/vcard_tester.c
index 3d7172e2b..23a897c13 100644
--- a/tester/vcard_tester.c
+++ b/tester/vcard_tester.c
@@ -358,7 +358,7 @@ end:
 }
 
 static void friends_sqlite_store_lot_of_friends(void) {
-	LinphoneCore* lc = linphone_factory_create_core(linphone_factory_get(), NULL, NULL, NULL);
+	LinphoneCore* lc = linphone_factory_create_core_2(linphone_factory_get(), NULL, NULL, NULL, NULL, system_context);
 	sqlite3 *db;
 	int i;
 	char* errmsg = NULL;
@@ -428,7 +428,7 @@ static void friends_sqlite_store_lot_of_friends(void) {
 }
 
 static void friends_sqlite_find_friend_in_lot_of_friends(void) {
-	LinphoneCore* lc = linphone_factory_create_core(linphone_factory_get(), NULL, NULL, NULL);
+	LinphoneCore* lc = linphone_factory_create_core_2(linphone_factory_get(), NULL, NULL, NULL, NULL, system_context);
 	sqlite3 *db;
 	int i;
 	char* errmsg = NULL;