diff --git a/eive_tmtc/config/definitions.py b/eive_tmtc/config/definitions.py
index 2b0b538..fb0abf0 100644
--- a/eive_tmtc/config/definitions.py
+++ b/eive_tmtc/config/definitions.py
@@ -53,7 +53,7 @@ class CustomServiceList(str, enum.Enum):
     REACTION_WHEEL_4 = "rw_4"
     RW_ASSEMBLY = "rw_ass"
     RAD_SENSOR = "rad_sensor"
-    GPS_CTRL = "gnss-ctrl"
+    GPS_CTRL = "gps"
     PLOC_MEMORY_DUMPER = "ploc_memory_dumper"
     CORE = "core"
     STAR_TRACKER = "star_tracker"
diff --git a/eive_tmtc/tmtc/acs/gps.py b/eive_tmtc/tmtc/acs/gps.py
index 5264f49..1bd397a 100644
--- a/eive_tmtc/tmtc/acs/gps.py
+++ b/eive_tmtc/tmtc/acs/gps.py
@@ -13,8 +13,8 @@ _LOGGER = logging.getLogger(__name__)
 
 
 class OpCode:
-    REQ_OS_HK = ["0", "hk-os"]
-    RESET_GNSS = ["5", "reset"]
+    REQ_OS_HK = ["hk"]
+    RESET_GNSS = ["reset"]
 
 
 class Info: