diff --git a/cpu/atmega_common/include/periph_cpu_common.h b/cpu/atmega_common/include/periph_cpu_common.h
index 95cb0f1afbae546684222dc5dceb4f5eff23d097..56dc154db4b7dfccf5f764c9b6be5c1e8e398b55 100644
--- a/cpu/atmega_common/include/periph_cpu_common.h
+++ b/cpu/atmega_common/include/periph_cpu_common.h
@@ -146,6 +146,11 @@ typedef struct {
 } pwm_conf_t;
 /** @} */
 
+/**
+ * @brief   EEPROM clear byte
+ */
+#define EEPROM_CLEAR_BYTE              (0xff)
+
 #ifdef __cplusplus
 }
 #endif