diff --git a/Firmware/ConfigurationStore.h b/Firmware/ConfigurationStore.h
index facdcca2..79055fdc 100644
--- a/Firmware/ConfigurationStore.h
+++ b/Firmware/ConfigurationStore.h
@@ -21,7 +21,7 @@ FORCE_INLINE void Config_RetrieveSettings() { Config_ResetDefault(); Config_Prin
 #endif
 
 inline uint8_t calibration_status() { return eeprom_read_byte((uint8_t*)EEPROM_CALIBRATION_STATUS); }
-inline uint8_t calibration_status_store(uint8_t status) { eeprom_update_byte((uint8_t*)EEPROM_CALIBRATION_STATUS, status); }
+inline void calibration_status_store(uint8_t status) { eeprom_update_byte((uint8_t*)EEPROM_CALIBRATION_STATUS, status); }
 inline bool calibration_status_pinda() { return eeprom_read_byte((uint8_t*)EEPROM_CALIBRATION_STATUS_PINDA); }
 
 #endif//CONFIG_STORE_H