diff --git a/edmond/plugins/wikipedia.py b/edmond/plugins/wikipedia.py
index 915fa2c..1ccda3a 100644
--- a/edmond/plugins/wikipedia.py
+++ b/edmond/plugins/wikipedia.py
@@ -25,9 +25,11 @@ class WikipediaPlugin(Plugin):
     def on_pubmsg(self, event):
         if not self.should_handle_command(event.arguments[0]):
             return False
-        if self.command.ident == "science":
+        # "science"
+        if self.command.ident == self.config["commands"][0]:
             self.tell_random_summary(event)
-        elif self.command.ident == "define":
+        # "definition"
+        elif self.command.ident == self.config["commands"][1]:
             self.tell_definition(event)
         return True