diff --git a/srsue/ue.conf.example b/srsue/ue.conf.example
index cbeca8541..eeef5531b 100644
--- a/srsue/ue.conf.example
+++ b/srsue/ue.conf.example
@@ -98,7 +98,7 @@ file_max_size = -1
 [usim]
 mode = soft
 algo = xor
-op   = 63BFA50EE6523365FF14C1F45F88737D
+opc  = 63BFA50EE6523365FF14C1F45F88737D
 k    = 00112233445566778899aabbccddeeff
 imsi = 001010123456789
 imei = 353490069873319