diff --git a/src/util/Msgpack.py b/src/util/Msgpack.py
index c39bc960..7c7e0369 100644
--- a/src/util/Msgpack.py
+++ b/src/util/Msgpack.py
@@ -65,7 +65,7 @@ def objectDecoderHook(obj):
     for key, val in obj:
         if type(key) is bytes:
             key = key.decode("utf8")
-        if key in bin_value_keys or type(val) is not bytes:
+        if key in bin_value_keys or type(val) is not bytes or len(key) >= 64:
             back[key] = val
         else:
             back[key] = val.decode("utf8")
@@ -100,4 +100,4 @@ def numUnprocessedBytes(unpacker):
         num_bytes = unpacker_bytes - unpacker.tell()
     else:
         num_bytes = unpacker._fb_buf_n - unpacker._fb_buf_o
-    return num_bytes
\ No newline at end of file
+    return num_bytes