diff --git a/coreapi/linphonecore.c b/coreapi/linphonecore.c
index 5f4a2ccf8..c8ca8e41a 100644
--- a/coreapi/linphonecore.c
+++ b/coreapi/linphonecore.c
@@ -2550,7 +2550,8 @@ void linphone_core_iterate(LinphoneCore *lc){
 }
 
 LinphoneAddress * linphone_core_interpret_url(LinphoneCore *lc, const char *url){
-	return linphone_proxy_config_normalize_sip_uri(NULL, url);
+	LinphoneProxyConfig *proxy = linphone_core_get_default_proxy_config(lc);
+	return linphone_proxy_config_normalize_sip_uri(proxy, url);
 }
 
 /**
diff --git a/tester/quality_reporting_tester.c b/tester/quality_reporting_tester.c
index dc4e58f9c..038d823ca 100644
--- a/tester/quality_reporting_tester.c
+++ b/tester/quality_reporting_tester.c
@@ -170,6 +170,8 @@ static void quality_reporting_not_sent_if_call_not_started() {
 
 	linphone_core_set_max_calls(pauline->lc,0);
 	out_call = linphone_core_invite(marie->lc,"pauline");
+	BC_ASSERT_PTR_NOT_NULL(out_call);
+	if(out_call == NULL) goto end;
 	linphone_call_ref(out_call);
 
 	BC_ASSERT_TRUE(wait_for_until(marie->lc,pauline->lc,&marie->stat.number_of_LinphoneCallError,1, 10000));
@@ -189,6 +191,7 @@ static void quality_reporting_not_sent_if_call_not_started() {
 	BC_ASSERT_EQUAL(marie->stat.number_of_LinphonePublishProgress,0, int, "%d");
 	BC_ASSERT_EQUAL(marie->stat.number_of_LinphonePublishOk,0, int, "%d");
 
+end:
 	linphone_core_manager_destroy(marie);
 	linphone_core_manager_destroy(pauline);
 }