diff --git a/main.go b/main.go
index 3d6d746..ce5e830 100644
--- a/main.go
+++ b/main.go
@@ -196,6 +196,9 @@ func handleConnection(conn net.Conn, UC MetadataCache, PC MetadataCache) {
 	_, err := conn.Read(buf)
 	var c cachecommand
 	err = json.Unmarshal(buf, &c)
+	if err != nil {
+		log.Printf("json.Unmarshal: %s returned %s", buf, err.Error())
+	}
 	log.Printf("JSON got: %#v", c)
 	var values []string
 	if c.ObjectType == "u" {