diff --git a/nfv/centos/build_srpm.data b/nfv/centos/build_srpm.data
index bd246791..a14f2c33 100755
--- a/nfv/centos/build_srpm.data
+++ b/nfv/centos/build_srpm.data
@@ -1 +1 @@
-TIS_PATCH_VER=73
+TIS_PATCH_VER=74
diff --git a/nfv/nfv-vim/nfv_vim/nfvi/_nfvi_plugin.py b/nfv/nfv-vim/nfv_vim/nfvi/_nfvi_plugin.py
index a0251ac4..049eee66 100755
--- a/nfv/nfv-vim/nfv_vim/nfvi/_nfvi_plugin.py
+++ b/nfv/nfv-vim/nfv_vim/nfvi/_nfvi_plugin.py
@@ -23,7 +23,7 @@ class NFVIPlugin(object):
         self._scheduler = scheduler
 
         plugins = stevedore.named.NamedExtensionManager(namespace,
-                                                        plugin_type,
+                                                        [plugin_type, ],
                                                         invoke_on_load=True,
                                                         invoke_args=(),
                                                         invoke_kwds={})