diff --git a/docs/scripting/inlinescripts.rst b/docs/scripting/inlinescripts.rst
index 5e56e01e1..74d4e7144 100644
--- a/docs/scripting/inlinescripts.rst
+++ b/docs/scripting/inlinescripts.rst
@@ -128,7 +128,7 @@ HTTP Events
 WebSockets Events
 ^^^^^^^^^^^^^^^^^
 
-.. py:function:: websockets_handshake(context, flow)
+.. py:function:: websocket_handshake(context, flow)
 
     Called when a client wants to establish a WebSockets connection.
     The WebSockets-specific headers can be manipulated to manipulate the handshake.
diff --git a/mitmproxy/controller.py b/mitmproxy/controller.py
index d886af970..ea084973a 100644
--- a/mitmproxy/controller.py
+++ b/mitmproxy/controller.py
@@ -28,7 +28,7 @@ Events = frozenset([
     "response",
     "responseheaders",
 
-    "websockets_handshake",
+    "websocket_handshake",
 
     "next_layer",
 
diff --git a/mitmproxy/flow/master.py b/mitmproxy/flow/master.py
index 80f633cd6..de9d47f1c 100644
--- a/mitmproxy/flow/master.py
+++ b/mitmproxy/flow/master.py
@@ -246,7 +246,7 @@ class FlowMaster(controller.Master):
         self.state.update_flow(f)
 
     @controller.handler
-    def websockets_handshake(self, f):
+    def websocket_handshake(self, f):
         pass
 
     def handle_intercept(self, f):
diff --git a/mitmproxy/protocol/http.py b/mitmproxy/protocol/http.py
index d3e3c80f6..4a30edb7a 100644
--- a/mitmproxy/protocol/http.py
+++ b/mitmproxy/protocol/http.py
@@ -200,7 +200,7 @@ class HttpLayer(base.Layer):
                 if websockets.check_handshake(request.headers) and websockets.check_client_version(request.headers):
                     # We only support RFC6455 with WebSockets version 13
                     # allow inline scripts to manipulate the client handshake
-                    self.channel.ask("websockets_handshake", flow)
+                    self.channel.ask("websocket_handshake", flow)
 
                 if not flow.response:
                     self.establish_server_connection(
diff --git a/pathod/pathod.py b/pathod/pathod.py
index bd0feb732..4f6c3d380 100644
--- a/pathod/pathod.py
+++ b/pathod/pathod.py
@@ -174,12 +174,12 @@ class PathodHandler(tcp.BaseHandler):
 
             m = utils.MemBool()
 
-            valid_websockets_handshake = websockets.check_handshake(headers)
+            valid_websocket_handshake = websockets.check_handshake(headers)
             self.settings.websocket_key = websockets.get_client_key(headers)
 
             # If this is a websocket initiation, we respond with a proper
             # server response, unless over-ridden.
-            if valid_websockets_handshake:
+            if valid_websocket_handshake:
                 anchor_gen = language.parse_pathod("ws")
             else:
                 anchor_gen = None
@@ -226,7 +226,7 @@ class PathodHandler(tcp.BaseHandler):
                 spec,
                 lg
             )
-            if nexthandler and valid_websockets_handshake:
+            if nexthandler and valid_websocket_handshake:
                 self.protocol = protocols.websockets.WebsocketsProtocol(self)
                 return self.protocol.handle_websocket, retlog
             else: