diff --git a/firmware/cup.c b/firmware/cup.c
index 832c37f..de52544 100644
--- a/firmware/cup.c
+++ b/firmware/cup.c
@@ -99,13 +99,12 @@ uint16_t linearize_temp(uint16_t temp_in)
 		65474, 1500, // 150 celsius
 		65535, 1520, // made-up, not from datasheet
 	};
-        uint8_t i=2;
+	uint8_t i=2;
 	for (; i < (sizeof(coeffs)>>1)-2; i+=2)
 	{
-        	if ( temp_in < coeffs[i] )
+		if ( temp_in < coeffs[i] )
 		{
-			temp_out = (uint16_t) ( coeffs[i-1] + (uint32_t)
-			( (uint32_t) (temp_in-coeffs[i-2]) * (coeffs[i+1]-coeffs[i-1]) ) / (coeffs[i]-coeffs[i-2]));
+			temp_out = (uint16_t) ( coeffs[i-1] + (uint32_t) ( (uint32_t) (temp_in-coeffs[i-2]) * (coeffs[i+1]-coeffs[i-1]) ) / (coeffs[i]-coeffs[i-2]));
 			break;
 		}
 	}
@@ -182,7 +181,7 @@ int main(void)
 		}
 		
 		if(setting_timeout) {led_set(target);}
-		else {led_set(temperature);}OB
+		else {led_set(temperature);}
 	}
 	
 	return 0;