diff --git a/stm-firmware/temp-converter.c b/stm-firmware/temp-converter.c
index 82465ab..b0649ac 100644
--- a/stm-firmware/temp-converter.c
+++ b/stm-firmware/temp-converter.c
@@ -68,7 +68,7 @@ int temp_converter_convert_resistance_to_temp(float resistance, float *temp_out)
 	diff_to_low_resistance = resistance - (float)(TEMP_CONVERSION_MIN_RES + TEMP_CONVERSION_RES_STEP * lower_idx);
 
 	/* Calculate output temperature */
-	*temp_out = (diff_to_low_resistance / TEMP_CONVERSION_RES_STEP) * diff_high_low + low;
+	*temp_out = (diff_to_low_resistance * (1.0f / TEMP_CONVERSION_RES_STEP)) * diff_high_low + low;
 
 return_ret_val:
 	return ret_val;