diff --git a/include/common.h b/include/common.h
index 26e1b46..8fa339d 100644
--- a/include/common.h
+++ b/include/common.h
@@ -204,7 +204,7 @@
 /* */
 long int initdram (int);
 int	display_options (void);
-void	print_size (ulong, const char *);
+void	print_size (phys_size_t, const char *);
 int	print_buffer (ulong addr, void* data, uint width, uint count, uint linelen);
 
 /* common/main.c */
diff --git a/lib_generic/display_options.c b/lib_generic/display_options.c
index 5ddd94f..a52fa04 100644
--- a/lib_generic/display_options.c
+++ b/lib_generic/display_options.c
@@ -42,7 +42,7 @@
  * print sizes as "xxx kB", "xxx.y kB", "xxx MB" or "xxx.y MB" as needed;
  * allow for optional trailing string (like "\n")
  */
-void print_size (ulong size, const char *s)
+void print_size (phys_size_t size, const char *s)
 {
 	ulong m, n;
 	ulong d = 1 << 20;		/* 1 MB */