diff --git a/board/lwmon5/sdram.c b/board/lwmon5/sdram.c
index 36b5100..0a13831 100644
--- a/board/lwmon5/sdram.c
+++ b/board/lwmon5/sdram.c
@@ -158,7 +158,7 @@
  * initdram -- 440EPx's DDR controller is a DENALI Core
  *
  ************************************************************************/
-long int initdram (int board_type)
+phys_size_t initdram (int board_type)
 {
 #if 0 /* test-only: will remove this define later, when ECC problems are solved! */
 	/* CL=3 */