diff --git a/eive_tmtc/tmtc/power/p60dock.py b/eive_tmtc/tmtc/power/p60dock.py
index d94386a..34b1914 100644
--- a/eive_tmtc/tmtc/power/p60dock.py
+++ b/eive_tmtc/tmtc/power/p60dock.py
@@ -28,10 +28,10 @@ from tmtccmd.util import ObjectIdU32
 
 
 class P60OpCodes:
-    STACK_3V3_ON = ["stack-3v3-on", "1"]
-    STACK_3V3_OFF = ["stack-3v3-off", "2"]
-    STACK_5V_ON = ["stack-5v-on", "3"]
-    STACK_5V_OFF = ["stack-5v-off", "4"]
+    STACK_3V3_ON = ["stack_3v3_on", "1"]
+    STACK_3V3_OFF = ["stack_3v3_off", "2"]
+    STACK_5V_ON = ["stack_5v_on", "3"]
+    STACK_5V_OFF = ["stack_5v_off", "4"]
     TEST = ["test", "0"]