diff --git a/supervisor/options.py b/supervisor/options.py
index ebe231b04..7708080dc 100644
--- a/supervisor/options.py
+++ b/supervisor/options.py
@@ -481,6 +481,9 @@ def process_config_file(self, do_usage=True):
         self.process_group_configs = new
 
     def read_config(self, fp):
+        # Clear parse warnings, since we may be re-reading the
+        # config a second time after a reload.
+        self.parse_warnings = []
         section = self.configroot.supervisord
         if not hasattr(fp, 'read'):
             try: