diff --git a/board/mpl/pip405/pip405.c b/board/mpl/pip405/pip405.c
index 3828608..6cba892 100644
--- a/board/mpl/pip405/pip405.c
+++ b/board/mpl/pip405/pip405.c
@@ -608,7 +608,7 @@
 /* ------------------------------------------------------------------------- */
 static int test_dram (unsigned long ramsize);
 
-long int initdram (int board_type)
+phys_size_t initdram (int board_type)
 {
 	unsigned long bank_reg[4], tmp, bank_size;
 	int i, ds;