diff --git a/CHANGELOG.md b/CHANGELOG.md
index 56cf7e33..d67d6130 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -28,6 +28,9 @@ list yields a list of all related PRs for each release.
   was adapted to burn each channel for half of the burn time by default.
   PR: https://egit.irs.uni-stuttgart.de/eive/eive-obsw/pulls/347
   TMTC PR: https://egit.irs.uni-stuttgart.de/eive/eive-tmtc/pulls/127
+- `Max31865RtdLowlevelHandler.cpp`: For each RTD device, the config is now re-written before
+  every read. This seems to fix some issue with invalid temperature sensor readings.
+  PR: https://egit.irs.uni-stuttgart.de/eive/eive-obsw/pulls/345
 
 ## Fixed
 
diff --git a/linux/devices/Max31865RtdLowlevelHandler.cpp b/linux/devices/Max31865RtdLowlevelHandler.cpp
index 38a9ac11..14ef9659 100644
--- a/linux/devices/Max31865RtdLowlevelHandler.cpp
+++ b/linux/devices/Max31865RtdLowlevelHandler.cpp
@@ -143,7 +143,7 @@ ReturnValue_t Max31865RtdReader::periodicReadHandling() {
   auto result = returnvalue::OK;
   MutexGuard mg(readerMutex);
   if (mg.getLockResult() != returnvalue::OK) {
-    sif::warning << "Max31865RtdReader::periodicReadReqHandling: Mutex lock failed" << std::endl;
+    sif::warning << "Max31865RtdReader::periodicReadHandling: Mutex lock failed" << std::endl;
     return returnvalue::FAILED;
   }
   // Now read the RTD values
@@ -154,6 +154,10 @@ ReturnValue_t Max31865RtdReader::periodicReadHandling() {
     if (rtdIsActive(rtd->idx)) {
       uint16_t rtdVal = 0;
       bool faultBitSet = false;
+      result = writeCfgReg(rtd->spiCookie, BASE_CFG);
+      if (result != returnvalue::OK) {
+        handleSpiError(rtd, result, "writeCfgReg");
+      }
       result = readRtdVal(rtd->spiCookie, rtdVal, faultBitSet);
       if (result != returnvalue::OK) {
         handleSpiError(rtd, result, "readRtdVal");
@@ -282,7 +286,13 @@ ReturnValue_t Max31865RtdReader::sendMessage(CookieIF* cookie, const uint8_t* se
       }
       break;
     }
-    case (EiveMax31855::RtdCommands::CFG):
+    case (EiveMax31855::RtdCommands::CFG): {
+      ReturnValue_t result = writeCfgReg(rtdCookie->spiCookie, BASE_CFG);
+      if (result != returnvalue::OK) {
+        handleSpiError(rtdCookie, result, "writeCfgReg");
+      }
+      break;
+    }
     default: {
       // TODO: Only implement if needed
       break;
diff --git a/linux/ipcore/PdecConfig.cpp b/linux/ipcore/PdecConfig.cpp
index 321e5940..21de4610 100644
--- a/linux/ipcore/PdecConfig.cpp
+++ b/linux/ipcore/PdecConfig.cpp
@@ -9,8 +9,12 @@ PdecConfig::~PdecConfig() {}
 void PdecConfig::initialize() {
   uint32_t word = 0;
   word |= (VERSION_ID << 30);
+
+  // Setting the bypass flag and the control command flag should not have any
+  // implication on the operation of the PDEC IP Core
   word |= (BYPASS_FLAG << 29);
   word |= (CONTROL_COMMAND_FLAG << 28);
+
   word |= (RESERVED_FIELD_A << 26);
   word |= (SPACECRAFT_ID << 16);
   word |= (VIRTUAL_CHANNEL << 10);
diff --git a/mission/devices/Max31865EiveHandler.cpp b/mission/devices/Max31865EiveHandler.cpp
index db6f5a83..433f7b58 100644
--- a/mission/devices/Max31865EiveHandler.cpp
+++ b/mission/devices/Max31865EiveHandler.cpp
@@ -69,7 +69,8 @@ ReturnValue_t Max31865EiveHandler::buildCommandFromCommand(DeviceCommandId_t dev
   switch (cmdTyped) {
     case (EiveMax31855::RtdCommands::ON):
     case (EiveMax31855::RtdCommands::ACTIVE):
-    case (EiveMax31855::RtdCommands::OFF): {
+    case (EiveMax31855::RtdCommands::OFF):
+    case (EiveMax31855::RtdCommands::CFG): {
       simpleCommand(cmdTyped);
       break;
     }
@@ -77,9 +78,6 @@ ReturnValue_t Max31865EiveHandler::buildCommandFromCommand(DeviceCommandId_t dev
     case (EiveMax31855::RtdCommands::HIGH_TRESHOLD): {
       break;
     }
-    case (EiveMax31855::RtdCommands::CFG): {
-      break;
-    }
     default:
       return NOTHING_TO_SEND;
   }
@@ -100,6 +98,7 @@ void Max31865EiveHandler::simpleCommand(EiveMax31855::RtdCommands cmd) {
   rawPacket = cmdBuf.data();
   rawPacketLen = 1;
 }
+
 void Max31865EiveHandler::doTransition(Mode_t modeFrom, Submode_t subModeFrom) {
   if (getMode() == _MODE_TO_NORMAL) {
     if (state != InternalState::ACTIVE) {
@@ -117,6 +116,7 @@ void Max31865EiveHandler::fillCommandAndReplyMap() {
   insertInCommandMap(EiveMax31855::RtdCommands::ON);
   insertInCommandMap(EiveMax31855::RtdCommands::ACTIVE);
   insertInCommandMap(EiveMax31855::RtdCommands::OFF);
+  insertInCommandMap(EiveMax31855::RtdCommands::CFG);
   insertInReplyMap(EiveMax31855::RtdCommands::EXCHANGE_SET_ID, 200, &sensorDataset, 0, true);
 }