diff --git a/prosjekt.X/voltage.c b/prosjekt.X/voltage.c
index 08a0251..4175c41 100644
--- a/prosjekt.X/voltage.c
+++ b/prosjekt.X/voltage.c
@@ -33,8 +33,9 @@ uint16_t ADC0_read(void) {
     return ADC0.RES;
 }
 
-uint16_t photodiode_voltage_read() {
+uint16_t thermistor_voltage_read() {
     /* Gets value for the diode */
+    ADC0.MUXPOS = 0x03;
     uint8_t adcVal = ADC0_read();
 
     return adcVal;
@@ -43,5 +44,5 @@ uint16_t photodiode_voltage_read() {
 uint16_t internal_voltage_read() {
     /* Gets value for the internal voltage reffreance*/
 
-    VREF.ADC0REF = VREF_REFSEL_VDD_gc;
+    return VREF.ADC0REF = VREF_REFSEL_VDD_gc;
 }
diff --git a/prosjekt.X/voltage.h b/prosjekt.X/voltage.h
index a001a19..dde41a5 100644
--- a/prosjekt.X/voltage.h
+++ b/prosjekt.X/voltage.h
@@ -54,7 +54,8 @@ extern "C" {
     uint16_t ADC0_read(void);
     // Gets the value from sensor and internal voltage
     uint16_t internal_voltage_read();
-    uint16_t photodiode_voltage_read();
+    uint16_t thermistor_voltage_read();
+    uint16_t internal_voltage_read();
 #ifdef	__cplusplus
 }
 #endif /* __cplusplus */