diff --git a/src/conference/session/media-session.cpp b/src/conference/session/media-session.cpp
index e8cdd2f3b..539a85ae0 100644
--- a/src/conference/session/media-session.cpp
+++ b/src/conference/session/media-session.cpp
@@ -2187,9 +2187,9 @@ void MediaSessionPrivate::handleIceEvents (OrtpEvent *ev) {
 		if (iceAgent->hasCompletedCheckList()) {
 			/* At least one ICE session has succeeded, so perform a call update */
 			if (iceAgent->isControlling() && q->getCurrentParams()->getPrivate()->getUpdateCallWhenIceCompleted()) {
-				MediaSessionParams *newParams = new MediaSessionParams(*getParams());
-				newParams->getPrivate()->setInternalCallUpdate(true);
-				q->update(newParams);
+				MediaSessionParams newParams(*getParams());
+				newParams.getPrivate()->setInternalCallUpdate(true);
+				q->update(&newParams);
 			}
 			startDtlsOnAllStreams();
 		}
diff --git a/tester/tester.c b/tester/tester.c
index 63783b0b1..003d4d3a1 100644
--- a/tester/tester.c
+++ b/tester/tester.c
@@ -775,10 +775,12 @@ bool_t check_ice(LinphoneCoreManager* caller, LinphoneCoreManager* callee, Linph
 	realtime_text_enabled=linphone_call_params_realtime_text_enabled(linphone_call_get_current_params(c1));
 	if (audio_enabled) {
 		liblinphone_tester_clock_start(&ts);
-		do{
+		LinphoneCallStats *stats1 = NULL;
+		LinphoneCallStats *stats2 = NULL;
+		do {
 			if ((c1 != NULL) && (c2 != NULL)) {
-				LinphoneCallStats *stats1 = linphone_call_get_audio_stats(c1);
-				LinphoneCallStats *stats2 = linphone_call_get_audio_stats(c2);
+				stats1 = linphone_call_get_audio_stats(c1);
+				stats2 = linphone_call_get_audio_stats(c2);
 				if (linphone_call_stats_get_ice_state(stats1)==state &&
 					linphone_call_stats_get_ice_state(stats2)==state){
 					audio_success=TRUE;
@@ -786,13 +788,18 @@ bool_t check_ice(LinphoneCoreManager* caller, LinphoneCoreManager* callee, Linph
 					check_ice_from_rtp(c2,c1,LinphoneStreamTypeAudio);
 					break;
 				}
-				linphone_call_stats_unref(stats1);
-				linphone_call_stats_unref(stats2);
 				linphone_core_iterate(caller->lc);
 				linphone_core_iterate(callee->lc);
+				linphone_call_stats_unref(stats1);
+				linphone_call_stats_unref(stats2);
+				stats1 = stats2 = NULL;
 			}
 			ms_usleep(20000);
-		}while(!liblinphone_tester_clock_elapsed(&ts,10000));
+		} while (!liblinphone_tester_clock_elapsed(&ts,10000));
+		if (stats1)
+			linphone_call_stats_unref(stats1);
+		if (stats2)
+			linphone_call_stats_unref(stats2);
 	}
 
 	if (video_enabled){