header include guard needs underscores

hasenradball · Oct 26, 2023 · fdd80c1 · fdd80c1
1 parent 98b5a5d
commit fdd80c1
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/DS3231-RTC.h b/src/DS3231-RTC.h
@@ -5,8 +5,8 @@
  *
  */
 
-#ifndef __DS3231-RTC_H__
-#define __DS3231-RTC_H__
+#ifndef __DS3231_RTC_H__
+#define __DS3231_RTC_H__
 
 #include <Arduino.h>
 #include <time.h>