diff --git a/bsp_q7s/ObjectFactory.cpp b/bsp_q7s/ObjectFactory.cpp
index 991cd8b2..619e3979 100644
--- a/bsp_q7s/ObjectFactory.cpp
+++ b/bsp_q7s/ObjectFactory.cpp
@@ -168,7 +168,10 @@ void ObjectFactory::produce(void* args){
     SpiCookie* spiCookieRadSensor = new SpiCookie(addresses::RAD_SENSOR, gpioIds::CS_RAD_SENSOR,
             std::string("/dev/spidev2.0"), RAD_SENSOR::READ_SIZE, spi::DEFAULT_MAX_1227_MODE,
             spi::DEFAULT_MAX_1227_SPEED);
-    new RadiationSensorHandler(objects::RAD_SENSOR, objects::SPI_COM_IF, spiCookieRadSensor);
+    RadiationSensorHandler* radsensor = new RadiationSensorHandler(objects::RAD_SENSOR,
+            objects::SPI_COM_IF, spiCookieRadSensor);
+    radsensor->setStartUpImmediately();
+
     GpioCookie* gpioCookieSus = new GpioCookie();
 
     GpioCallback* susgpio = new GpioCallback(std::string("Chip select SUS 1"), gpio::OUT, 1,
diff --git a/mission/devices/RadiationSensorHandler.cpp b/mission/devices/RadiationSensorHandler.cpp
index a1eec958..102f941e 100644
--- a/mission/devices/RadiationSensorHandler.cpp
+++ b/mission/devices/RadiationSensorHandler.cpp
@@ -77,7 +77,7 @@ ReturnValue_t RadiationSensorHandler::buildCommandFromCommand(
     case(RAD_SENSOR::START_CONVERSION): {
         /* First the fifo will be reset here */
         cmdBuffer[0] = RAD_SENSOR::RESET_DEFINITION;
-        cmdBuffer[1] = RAD_SENSOR::CONVERSION_DEFINITION;
+        cmdBuffer[0] = RAD_SENSOR::CONVERSION_DEFINITION;
         rawPacket = cmdBuffer;
         rawPacketLen = 2;
         return RETURN_OK;
@@ -109,7 +109,17 @@ void RadiationSensorHandler::fillCommandAndReplyMap() {
 ReturnValue_t RadiationSensorHandler::scanForReply(const uint8_t *start,
         size_t remainingSize, DeviceCommandId_t *foundId, size_t *foundLen) {
     *foundId = this->getPendingCommand();
+
+    switch (*foundId) {
+    case RAD_SENSOR::START_CONVERSION:
+    case RAD_SENSOR::WRITE_SETUP:
+        return IGNORE_REPLY_DATA;
+    default:
+        break;
+    }
+
     *foundLen = remainingSize;
+
     return HasReturnvaluesIF::RETURN_OK;
 }