diff --git a/janus/src/plugin.c b/janus/src/plugin.c
index d7fd7f1..5c9da7a 100644
--- a/janus/src/plugin.c
+++ b/janus/src/plugin.c
@@ -166,11 +166,9 @@ static void *_video_sink_thread(UNUSED void *arg) {
 			if (mem != NULL) {
 				US_JLOG_INFO("video", "Memsink closed");
 				us_memsink_shared_unmap(mem);
-				mem = NULL;
 			}
-			if (fd > 0) {
+			if (fd >= 0) {
 				close(fd);
-				fd = -1;
 			}
 			sleep(1); // error_delay
 	}
diff --git a/python/src/ustreamer.c b/python/src/ustreamer.c
index 4786555..ee312bb 100644
--- a/python/src/ustreamer.c
+++ b/python/src/ustreamer.c
@@ -44,7 +44,7 @@ static void _MemsinkObject_destroy_internals(_MemsinkObject *self) {
 		us_memsink_shared_unmap(self->mem);
 		self->mem = NULL;
 	}
-	if (self->fd > 0) {
+	if (self->fd >= 0) {
 		close(self->fd);
 		self->fd = -1;
 	}