diff --git a/sleekxmpp/xmlstream/handler/base.py b/sleekxmpp/xmlstream/handler/base.py
index 3ae82a8..9c704ec 100644
--- a/sleekxmpp/xmlstream/handler/base.py
+++ b/sleekxmpp/xmlstream/handler/base.py
@@ -25,10 +25,10 @@ class BaseHandler(object):
         stream -- The stream this handler is assigned to.
 
     Methods:
-        match       -- Compare a stanza with the handler's matcher.
-        prerun      -- Handler execution during stream processing.
-        run         -- Handler execution during the main event loop.
-        checkDelete -- Indicate if the handler may be removed from use.
+        match        -- Compare a stanza with the handler's matcher.
+        prerun       -- Handler execution during stream processing.
+        run          -- Handler execution during the main event loop.
+        check_delete -- Indicate if the handler may be removed from use.
     """
 
     def __init__(self, name, matcher, stream=None):
@@ -42,6 +42,8 @@ class BaseHandler(object):
                        this handler.
             stream  -- The XMLStream instance the handler should monitor.
         """
+        self.checkDelete = self.check_delete
+
         self.name = name
         self.stream = stream
         self._destroy = False
@@ -79,7 +81,7 @@ class BaseHandler(object):
         """
         self._payload = payload
 
-    def checkDelete(self):
+    def check_delete(self):
         """
         Check if the handler should be removed from the list of stream
         handlers.
diff --git a/sleekxmpp/xmlstream/handler/waiter.py b/sleekxmpp/xmlstream/handler/waiter.py
index 1e101ed..8072022 100644
--- a/sleekxmpp/xmlstream/handler/waiter.py
+++ b/sleekxmpp/xmlstream/handler/waiter.py
@@ -25,11 +25,11 @@ class Waiter(BaseHandler):
     waiter has timed out.
 
     Methods:
-        checkDelete -- Overrides BaseHandler.checkDelete
-        prerun      -- Overrides BaseHandler.prerun
-        run         -- Overrides BaseHandler.run
-        wait        -- Wait for a stanza to arrive and return it to
-                       an event handler.
+        check_delete -- Overrides BaseHandler.check_delete
+        prerun       -- Overrides BaseHandler.prerun
+        run          -- Overrides BaseHandler.run
+        wait         -- Wait for a stanza to arrive and return it to
+                        an event handler.
     """
 
     def __init__(self, name, matcher, stream=None):
@@ -89,10 +89,10 @@ class Waiter(BaseHandler):
         self.stream.removeHandler(self.name)
         return stanza
 
-    def checkDelete(self):
+    def check_delete(self):
         """
         Always remove waiters after use.
 
-        Overrides BaseHandler.checkDelete
+        Overrides BaseHandler.check_delete
         """
         return True
diff --git a/sleekxmpp/xmlstream/xmlstream.py b/sleekxmpp/xmlstream/xmlstream.py
index 4c3dd9f..5fd7be9 100644
--- a/sleekxmpp/xmlstream/xmlstream.py
+++ b/sleekxmpp/xmlstream/xmlstream.py
@@ -755,7 +755,7 @@ class XMLStream(object):
                 handler.prerun(stanza_copy)
                 self.event_queue.put(('stanza', handler, stanza_copy))
                 try:
-                    if handler.checkDelete():
+                    if handler.check_delete():
                         self.__handlers.pop(self.__handlers.index(handler))
                 except:
                     pass  # not thread safe