diff --git a/mediastreamer2 b/mediastreamer2
index f86735388..ec510dc8e 160000
--- a/mediastreamer2
+++ b/mediastreamer2
@@ -1 +1 @@
-Subproject commit f867353887f9091d6b16958c3a859be5523ba9f7
+Subproject commit ec510dc8e9f01e717acce3e37538e7a49344a062
diff --git a/tester/call_tester.c b/tester/call_tester.c
index 55169701a..464017e0d 100644
--- a/tester/call_tester.c
+++ b/tester/call_tester.c
@@ -4319,7 +4319,7 @@ static void simple_stereo_call(const char *codec_name, int clock_rate, int bitra
 	}else{
 #if !defined(__arm__) && !defined(__arm64__) && !TARGET_IPHONE_SIMULATOR && !defined(ANDROID)
 		double similar;
-		double min_threshold = .7f;
+		double min_threshold = .6f;
 		double max_threshold = 1.f;
 		if (!stereo){
 			/*when opus doesn't transmit stereo, the cross correlation is around 0.54 : as expected, it is not as good as in full stereo mode*/