diff --git a/mission/controller/AcsController.cpp b/mission/controller/AcsController.cpp
index 73000234..6ae108c5 100644
--- a/mission/controller/AcsController.cpp
+++ b/mission/controller/AcsController.cpp
@@ -759,6 +759,7 @@ ReturnValue_t AcsController::initializeLocalDataPool(localpool::DataPool &localD
   localDataPoolMap.emplace(acsctrl::PoolIds::ALTITUDE, &altitude);
   localDataPoolMap.emplace(acsctrl::PoolIds::GPS_POSITION, &gpsPosition);
   localDataPoolMap.emplace(acsctrl::PoolIds::GPS_VELOCITY, &gpsVelocity);
+  localDataPoolMap.emplace(acsctrl::PoolIds::SOURCE, &gpsSource);
   poolManager.subscribeForRegularPeriodicPacket({gpsDataProcessed.getSid(), enableHkSets, 30.0});
   // MEKF
   localDataPoolMap.emplace(acsctrl::PoolIds::QUAT_MEKF, &quatMekf);
diff --git a/mission/controller/AcsController.h b/mission/controller/AcsController.h
index ef7817b9..a40dba3b 100644
--- a/mission/controller/AcsController.h
+++ b/mission/controller/AcsController.h
@@ -208,6 +208,7 @@ class AcsController : public ExtendedControllerBase, public ReceivesParameterMes
   PoolEntry<double> altitude = PoolEntry<double>();
   PoolEntry<double> gpsPosition = PoolEntry<double>(3);
   PoolEntry<double> gpsVelocity = PoolEntry<double>(3);
+  PoolEntry<uint8_t> gpsSource = PoolEntry<uint8_t>();
 
   // MEKF
   acsctrl::MekfData mekfData;