diff --git a/core/main.py b/core/main.py
index 9135775..1b8609d 100755
--- a/core/main.py
+++ b/core/main.py
@@ -156,7 +156,7 @@ def main(conn, out):
         if inp.chan == inp.nick:  # private message, no command prefix
             prefix = '^(?:[{}]?|'.format(command_prefix)
         else:
-            prefix = '^(?:[%s]|'.format(command_prefix)
+            prefix = '^(?:[{}]|'.format(command_prefix)
 
         command_re = prefix + inp.conn.nick
         command_re += r'[,;:]+\s+)(\w+)(?:$|\s+)(.*)'
diff --git a/core/reload.py b/core/reload.py
index 656c6cd..f1bfeb6 100755
--- a/core/reload.py
+++ b/core/reload.py
@@ -18,7 +18,7 @@ def make_signature(f):
 
 
 def format_plug(plug, kind='', lpad=0):
-    out = ' ' * lpad + '{}:{}:{}'.format(make_signature(plug[0]))
+    out = ' ' * lpad + '{}:{}:{}'.format(*make_signature(plug[0]))
     if kind == 'command':
         out += ' ' * (50 - len(out)) + plug[1]['name']