diff --git a/proxy/multiplexer.go b/proxy/multiplexer.go
index 26fdaae..ee8fed5 100644
--- a/proxy/multiplexer.go
+++ b/proxy/multiplexer.go
@@ -139,6 +139,7 @@ CONTINUE:
 	b, err := wrapper.sbuffer.prefetch()
 	if err != nil {
 		logg.E("mux got err: ", err)
+		wrapper.Close()
 		goto CONTINUE
 	}