diff --git a/mediastreamer2 b/mediastreamer2
index df2d2b8c3..265d7618f 160000
--- a/mediastreamer2
+++ b/mediastreamer2
@@ -1 +1 @@
-Subproject commit df2d2b8c353fe1ad6680801943d4db2a216e2d6a
+Subproject commit 265d7618f6d68a07e7eb9b49b58de634b7d93355
diff --git a/tester/liblinphone_tester.c b/tester/liblinphone_tester.c
index 69e364d47..ee76ebd2d 100644
--- a/tester/liblinphone_tester.c
+++ b/tester/liblinphone_tester.c
@@ -196,7 +196,7 @@ int main (int argc, char *argv[])
 
 	liblinphone_tester_init(NULL);
 
-	{
+	if (strstr(argv[0], ".libs")) {
 		char res_dir[128] = {0};
 		// this allows to launch liblinphone_tester from outside of tester directory
 		strncpy(res_dir, argv[0], strstr(argv[0], ".libs")-argv[0]);
diff --git a/tester/stereo-record.wav b/tester/stereo-record.wav
new file mode 100644
index 000000000..f037e21f2
Binary files /dev/null and b/tester/stereo-record.wav differ