diff --git a/drivers/watchdog/at91sam9_wdt.c b/drivers/watchdog/at91sam9_wdt.c
index 9e0d89b..647ae32 100644
--- a/drivers/watchdog/at91sam9_wdt.c
+++ b/drivers/watchdog/at91sam9_wdt.c
@@ -15,6 +15,7 @@
  */
 
 #include <log.h>
+#include <asm/global_data.h>
 #include <asm/io.h>
 #include <asm/arch/at91_wdt.h>
 #include <common.h>