diff --git a/cpu/native/periph/flashpage.c b/cpu/native/periph/flashpage.c
index 20f0492685..1c5b879ea0 100644
--- a/cpu/native/periph/flashpage.c
+++ b/cpu/native/periph/flashpage.c
@@ -24,9 +24,10 @@
 #include "cpu.h"
 #include "periph/flashpage.h"
 
-#define ENABLE_DEBUG (0)
+#define ENABLE_DEBUG 0
 #include "debug.h"
 
+__attribute__((aligned(FLASHPAGE_SIZE * FLASHPAGE_NUMOF)))
 char _native_flash[FLASHPAGE_SIZE * FLASHPAGE_NUMOF];
 
 void flashpage_erase(unsigned page)