diff --git a/src/mpm/commands/repo.py b/src/mpm/commands/repo.py
index 59d988f..54b7a8f 100644
--- a/src/mpm/commands/repo.py
+++ b/src/mpm/commands/repo.py
@@ -18,7 +18,7 @@ def list_(ctx):
         for plugin in sorted(repo.plugins()):
             rows.append([
                 click.style(plugin.name, fg='green'),
-                click.style(plugin.version, fg='yellow')
+                click.style(str(plugin.version), fg='yellow')
             ])
         if len(rows) > 0:
             click.echo(columnar(rows, ['Plugin', 'Version'], no_borders=True))
diff --git a/src/mpm/model.py b/src/mpm/model.py
index 907484b..84916d5 100644
--- a/src/mpm/model.py
+++ b/src/mpm/model.py
@@ -73,7 +73,9 @@ class UnmanagedFile(PluginState):
         self.filename = filename
 
     def __lt__(self, other):
-        return self.filename < other.filename
+        if isinstance(other, UnmanagedFile):
+            return self.filename < other.filename
+        return False
 
 class OutdatedSymlink(PluginState):
     def __init__(self, plugin, currentVersion, wantedVersion):
diff --git a/src/mpm/server.py b/src/mpm/server.py
index 0eabd0f..c5b773f 100644
--- a/src/mpm/server.py
+++ b/src/mpm/server.py
@@ -10,7 +10,7 @@ class Server:
         self.pluginPath = self.path+'/plugins'
 
     def plugins(self):
-        return [PluginSpec(p['name'], p['version']) for p in self.config['plugins']]
+        return [PluginSpec(p['name'], p.get('version', '*')) for p in self.config['plugins']]
 
     def add_plugin(self, pluginSpec):
         for plugin in self.config['plugins']: