diff --git a/examples/server_example_basic_io/server_example_basic_io.c b/examples/server_example_basic_io/server_example_basic_io.c
index b77aa086..7e413922 100644
--- a/examples/server_example_basic_io/server_example_basic_io.c
+++ b/examples/server_example_basic_io/server_example_basic_io.c
@@ -93,6 +93,9 @@ main(int argc, char** argv)
     /* Set the base path for the MMS file services */
     IedServerConfig_setFileServiceBasePath(config, "./vmd-filestore/");
 
+    /* disable MMS file service */
+    IedServerConfig_enableFileService(config, false);
+
     /* Create a new IEC 61850 server instance */
     iedServer = IedServer_createWithConfig(&iedModel, NULL, config);
 
diff --git a/src/mms/iso_mms/server/mms_association_service.c b/src/mms/iso_mms/server/mms_association_service.c
index 46b7d191..c1d31318 100644
--- a/src/mms/iso_mms/server/mms_association_service.c
+++ b/src/mms/iso_mms/server/mms_association_service.c
@@ -53,7 +53,7 @@
 #define MMS_SERVICE_FILE_OPEN 0x80
 #define MMS_SERVICE_FILE_READ 0x40
 #define MMS_SERVICE_FILE_CLOSE 0x20
-#define MMS_SERVICE_FILE_RENAME 0x01
+#define MMS_SERVICE_FILE_RENAME 0x10
 #define MMS_SERVICE_FILE_DELETE 0x08
 #define MMS_SERVICE_FILE_DIRECTORY 0x04
 #define MMS_SERVICE_UNSOLICITED_STATUS 0x02