diff --git a/include/asm-avr32/page.h b/include/asm-avr32/page.h
index 5582968feee8..cbbc5ca9728b 100644
--- a/include/asm-avr32/page.h
+++ b/include/asm-avr32/page.h
@@ -8,13 +8,11 @@
 #ifndef __ASM_AVR32_PAGE_H
 #define __ASM_AVR32_PAGE_H
 
+#include <linux/const.h>
+
 /* PAGE_SHIFT determines the page size */
 #define PAGE_SHIFT	12
-#ifdef __ASSEMBLY__
-#define PAGE_SIZE	(1 << PAGE_SHIFT)
-#else
-#define PAGE_SIZE	(1UL << PAGE_SHIFT)
-#endif
+#define PAGE_SIZE	(_AC(1, UL) << PAGE_SHIFT)
 #define PAGE_MASK	(~(PAGE_SIZE-1))
 #define PTE_MASK	PAGE_MASK