diff --git a/modem/command_ping.py b/modem/command_ping.py
index 0ab38a49..2a4e316f 100644
--- a/modem/command_ping.py
+++ b/modem/command_ping.py
@@ -2,9 +2,9 @@ from command import TxCommand
 
 class PingCommand(TxCommand):
 
-    def setParamsFromApi(self, apiParams):
+    def set_params_from_api(self, apiParams):
         self.dxcall = apiParams['dxcall']
-        return super().setParamsFromApi()
+        return super().set_params_from_api(apiParams)
 
     def build_frame(self):
         return self.frame_factory.build_ping(self.dxcall)