diff --git a/lib/model/sdp/connection.py b/lib/model/sdp/connection.py
index 92532d649c..53df675a27 100644
--- a/lib/model/sdp/connection.py
+++ b/lib/model/sdp/connection.py
@@ -209,11 +209,11 @@ def on_disconnect(self, by=None):
         if self._params[PLUGIN_ATTR_CB_ON_DISCONNECT]:
             self._params[PLUGIN_ATTR_CB_ON_DISCONNECT](by)
 
-    def check_command(self, command, value):
+    def check_reply(self, command, value):
         """
-        checking commands, e.g. for resend feature
+        checking reply, e.g. for resend feature
         """
-        return self._check_command(command, value)
+        return self._check_reply(command, value)
 
     #
     #
@@ -245,7 +245,7 @@ def _send(self, data_dict, **kwargs):
         self.logger.debug(f'simulating to send data {data_dict}...')
         return self.dummy
 
-    def _check_command(self, command, value):
+    def _check_reply(self, command, value):
         """
         overwrite with checking of data
         Return False by default
diff --git a/lib/model/sdp/protocol.py b/lib/model/sdp/protocol.py
index 34c16abaac..325275fb99 100644
--- a/lib/model/sdp/protocol.py
+++ b/lib/model/sdp/protocol.py
@@ -101,7 +101,7 @@ def _send(self, data_dict, **kwargs):
         self.logger.debug(f'{self.__class__.__name__} _send called with {data_dict}')
         return self._connection.send(data_dict, **kwargs)
 
-    def _check_command(self, command, value):
+    def _check_reply(self, command, value):
         return False
 
     def _get_connection(self, use_callbacks=False, name=None):
@@ -512,7 +512,7 @@ def _store_commands(self, resend_info, data_dict):
             return True
         return False
 
-    def _check_command(self, command, value):
+    def _check_reply(self, command, value):
         """
         Check if the command is in _sending dict and if response is same as expected or not
 
diff --git a/lib/model/smartdeviceplugin.py b/lib/model/smartdeviceplugin.py
index 64ea2a56c8..72ec187a68 100644
--- a/lib/model/smartdeviceplugin.py
+++ b/lib/model/smartdeviceplugin.py
@@ -818,7 +818,7 @@ def on_data_received(self, by, data, command=None):
             else:
                 if custom:
                     command = command + CUSTOM_SEP + custom
-                self._connection.check_command(command, value) # needed for resend protocol
+                self._connection.check_reply(command, value) # needed for resend protocol
                 self._dispatch_callback(command, value, by)
                 self._process_additional_data(command, data, value, custom, by)