Index: firmware/App/Controllers/TemperatureSensors.c
===================================================================
diff -u -r5c50666bb1e0e48dc28554a4c3d1a97187015672 -r54f45c387430e440ab4607451fc84dea61f273f1
--- firmware/App/Controllers/TemperatureSensors.c	(.../TemperatureSensors.c)	(revision 5c50666bb1e0e48dc28554a4c3d1a97187015672)
+++ firmware/App/Controllers/TemperatureSensors.c	(.../TemperatureSensors.c)	(revision 54f45c387430e440ab4607451fc84dea61f273f1)
@@ -725,12 +725,16 @@
     processHtrsTempSnsrsADCRead( TEMPSENSORS_TRIMMER_HEATER_COLD_JUNCTION, getFPGATrimmerColdJunctionTemp(), getFPGATrimmerHeaterFlags(), getFPGATrimmerHeaterReadCount() );
 
     // Check if time has elapsed to calculate the internal temperature of the heaters
-    if ( ++internalHeatersConversionTimer >= HEATERS_INTERNAL_TEMPERTURE_CALCULATION_INTERVAL )
+    if ( internalHeatersConversionTimer >= HEATERS_INTERNAL_TEMPERTURE_CALCULATION_INTERVAL )
     {
         getHeaterInternalTemp( TEMPSENSORS_PRIMARY_HEATER_THERMO_COUPLE, TEMPSENSORS_PRIMARY_HEATER_COLD_JUNCTION );
         getHeaterInternalTemp( TEMPSENSORS_TRIMMER_HEATER_THERMO_COUPLE, TEMPSENSORS_TRIMMER_HEATER_COLD_JUNCTION );
         internalHeatersConversionTimer = 0;
     }
+    else
+    {
+        internalHeatersConversionTimer++;
+    }
 
     publishTemperatureSensorsData();