diff --git a/board/psyent/pk1c20/pk1c20.c b/board/psyent/pk1c20/pk1c20.c
index 1924ae3..95b48bc 100644
--- a/board/psyent/pk1c20/pk1c20.c
+++ b/board/psyent/pk1c20/pk1c20.c
@@ -34,7 +34,7 @@
 	return 0;
 }
 
-long int initdram (int board_type)
+phys_size_t initdram (int board_type)
 {
 	return (0);
 }