diff --git a/src/lightDetection/LightDetection.cpp b/src/lightDetection/LightDetection.cpp
index 8fc22fd..57bbbc4 100644
--- a/src/lightDetection/LightDetection.cpp
+++ b/src/lightDetection/LightDetection.cpp
@@ -1,4 +1,5 @@
 #include "LightDetection.h"
+#include <limits.h>
 
 void LightDetection::begin(void){
     LightDetection::beginInfrared();
@@ -6,7 +7,6 @@ void LightDetection::begin(void){
 };
 
 uint16_t LightDetection::getValue(photoTransistors sensor){
-    uint16_t result;
     switch(sensor){
         //Fall Through intended
         case IR_FRONT:
@@ -17,6 +17,9 @@ uint16_t LightDetection::getValue(photoTransistors sensor){
         case DL_BOTTOM:
         case DL_FRONT:
             return readDLPT(sensor);
+        default:
+            //currently not reachable, just if enum will be extended in the future
+            return UINT16_MAX;
  }
 };
 
@@ -26,6 +29,7 @@ photoTransistors LightDetection::getBrightest(ptType type){
     uint16_t currentReading = 0;
     
     if (type == IR){
+        maxSensor = IR_FRONT;
        for(const auto pt : allIRPTs){
             currentReading = LightDetection::getValue(pt);
             if (currentReading > maxReading){
@@ -34,6 +38,7 @@ photoTransistors LightDetection::getBrightest(ptType type){
             }
         }
     } else {
+        maxSensor = DL_FRONT;
         for(const auto pt : allDLPTs){
             currentReading = LightDetection::getValue(pt);
             if (currentReading > maxReading){
diff --git a/src/lightDetection/LightDetection.h b/src/lightDetection/LightDetection.h
index f811515..eed93a5 100644
--- a/src/lightDetection/LightDetection.h
+++ b/src/lightDetection/LightDetection.h
@@ -62,7 +62,7 @@ public:
      * Can distingish between IR and Daylight 
      * 
      * @param type select which PTTransistors to compare
-     * @return photoTransistors which sensor is exposed to the greatest amount of light
+     * @return photoTransistors which sensor is exposed to the greatest amount of light, if all sensor read 0, the front sensor is returned
      */
     static photoTransistors getBrightest(ptType type);