diff --git a/stm-firmware/settings/settings-eeprom.c b/stm-firmware/settings/settings-eeprom.c
index 974fb97..60041f1 100644
--- a/stm-firmware/settings/settings-eeprom.c
+++ b/stm-firmware/settings/settings-eeprom.c
@@ -1,22 +1,22 @@
 /* Reflow Oven Controller
-*
-* Copyright (C) 2020  Mario Hüttel <mario.huettel@gmx.net>
-*
-* This file is part of the Reflow Oven Controller Project.
-*
-* The reflow oven controller is free software: you can redistribute it and/or modify
-* it under the terms of the GNU General Public License version 2 as
-* published by the Free Software Foundation.
-*
-* The Reflow Oven Control Firmware is distributed in the hope that it will be useful,
-* but WITHOUT ANY WARRANTY; without even the implied warranty of
-* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-* GNU General Public License for more details.
-*
-* You should have received a copy of the GNU General Public License
-* along with the reflow oven controller project.
-* If not, see <http://www.gnu.org/licenses/>.
-*/
+ *
+ * Copyright (C) 2020  Mario Hüttel <mario.huettel@gmx.net>
+ *
+ * This file is part of the Reflow Oven Controller Project.
+ *
+ * The reflow oven controller is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * The Reflow Oven Control Firmware is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the reflow oven controller project.
+ * If not, see <http://www.gnu.org/licenses/>.
+ */
 
 #include <reflow-controller/settings/settings-eeprom.h>
 #include <reflow-controller/settings/spi-eeprom.h>
@@ -37,6 +37,7 @@ struct eeprom_calibration_settings {
 };
 
 #define EEPROM_OVER_TEMP_CONFIG_BASE_ADDR (EEPROM_CALIBRATION_BASE_ADDR + sizeof(struct eeprom_calibration_settings))
+
 struct eeprom_over_temp_config {
 	float over_temperature;
 	uint32_t over_temp_crc;
@@ -54,7 +55,7 @@ static bool check_eeprom_header(void)
 		return true;
 }
 
-static void settings_eeprom_zero()
+static void settings_eeprom_zero(void)
 {
 	settings_eeprom_save_calibration(0.0f, 0.0f, false);
 	settings_eeprom_save_overtemp_limit(0.0f, false);
@@ -62,7 +63,7 @@ static void settings_eeprom_zero()
 
 bool settings_eeprom_detect_and_prepare(void)
 {
-	bool eeprom_ready = false;;
+	bool eeprom_ready = false;
 
 	int res;
 
@@ -77,7 +78,10 @@ bool settings_eeprom_detect_and_prepare(void)
 	if (check_eeprom_header() == false) {
 		/* Try to write a new header and check it again */
 		spi_eeprom_write(0, expected_header, sizeof(expected_header));
-		while (spi_eeprom_write_in_progress());
+
+		while (spi_eeprom_write_in_progress())
+			;
+
 		if (check_eeprom_header() == false) {
 			goto ret_deinit_crc;
 		} else {