diff --git a/mediastreamer2 b/mediastreamer2
index a9e3a9844..07a8b5693 160000
--- a/mediastreamer2
+++ b/mediastreamer2
@@ -1 +1 @@
-Subproject commit a9e3a984485ef8d22394d06fa75497296daa4c66
+Subproject commit 07a8b569317d23e9442882be267d6640498a7b5e
diff --git a/tester/tester.c b/tester/tester.c
index 741fc8938..b046c065e 100644
--- a/tester/tester.c
+++ b/tester/tester.c
@@ -211,6 +211,15 @@ bool_t wait_for_list(MSList* lcs,int* counter,int value,int timeout_ms) {
 #endif
 			linphone_core_iterate((LinphoneCore*)(iterator->data));
 		}
+#ifdef WIN32
+		{
+			MSG msg;
+			while (PeekMessage(&msg, NULL, 0, 0,1)){
+				TranslateMessage(&msg);
+				DispatchMessage(&msg);
+			}
+		}
+#endif
 		ms_usleep(20000);
 	}
 	if(counter && *counter<value) return FALSE;