diff --git a/src/AmsConfiguration.h b/src/AmsConfiguration.h
index afe60992..c2991cb6 100644
--- a/src/AmsConfiguration.h
+++ b/src/AmsConfiguration.h
@@ -114,7 +114,7 @@ private:
 	int debugLevel = 3;
 
 	const int EEPROM_SIZE = 512;
-	const int EEPROM_CHECK_SUM = 82; // Used to check if config is stored. Change if structure changes
+	const int EEPROM_CHECK_SUM = 81; // Used to check if config is stored. Change if structure changes
 	const int EEPROM_CONFIG_ADDRESS = 0;
 
 	bool loadConfig72(int address);