diff --git a/src/soc/samsung/exynos5420/cbmem.c b/src/soc/samsung/exynos5420/cbmem.c
index 167bd80..d74b414 100644
--- a/src/soc/samsung/exynos5420/cbmem.c
+++ b/src/soc/samsung/exynos5420/cbmem.c
@@ -3,7 +3,7 @@
 #include <cbmem.h>
 #include <soc/cpu.h>
 
-void *cbmem_top_chipset(void)
+uintptr_t cbmem_top_chipset(void)
 {
-	return (void *)(get_fb_base_kb() * KiB);
+	return get_fb_base_kb() * KiB;
 }