diff --git a/ryu/tests/unit/ofproto/json/of13/4-41-ofp_error_msg_experimenter.packet.json b/ryu/tests/unit/ofproto/json/of13/4-41-ofp_error_msg_experimenter.packet.json
new file mode 100644
index 00000000..37bfb6a9
--- /dev/null
+++ b/ryu/tests/unit/ofproto/json/of13/4-41-ofp_error_msg_experimenter.packet.json
@@ -0,0 +1,8 @@
+{
+   "OFPErrorExperimenterMsg": {
+      "data": "amlra2VuIGRhdGE=", 
+      "exp_type": 60000, 
+      "experimenter": 999999, 
+      "type": 65535
+   }
+}