diff --git a/libs/libzrtp/src/zrtp_iface_scheduler.c b/libs/libzrtp/src/zrtp_iface_scheduler.c
index ee7bb3d763..715c584b53 100644
--- a/libs/libzrtp/src/zrtp_iface_scheduler.c
+++ b/libs/libzrtp/src/zrtp_iface_scheduler.c
@@ -100,7 +100,7 @@ int zrtp_sleep(unsigned int msec)
 int zrtp_thread_create(zrtp_thread_routine_t start_routine, void *arg)
 {
 	pthread_t thread;
-	return pthread_create(&thread, NULL, start_routine, NULL);
+	return pthread_create(&thread, NULL, start_routine, arg);
 }
 #endif