diff --git a/sys/boot/alpha/common/main.c b/sys/boot/alpha/common/main.c
index 778ce82ba44d..8b5fcffac181 100644
--- a/sys/boot/alpha/common/main.c
+++ b/sys/boot/alpha/common/main.c
@@ -66,8 +66,8 @@ memsize()
 /* #define	XTRA_PAGES	32 */
 #define	XTRA_PAGES	64
 
-static void
-extend_heap()
+void
+extend_heap(void)
 {
     struct rpb *hwrpb = (struct rpb *)HWRPB_ADDR;
     struct mddt *mddtp;
@@ -119,7 +119,6 @@ main(void)
      * alloc() is usable. The stack is buried inside us, so this is
      * safe.
      */
-    extend_heap();
     setheap((void *)end, (void *)(0x20040000 + XTRA_PAGES * 8192));
 
 #ifdef	LOADER
diff --git a/sys/boot/alpha/libalpha/start.S b/sys/boot/alpha/libalpha/start.S
index 1830baf82e4a..6cf30a32aa5b 100644
--- a/sys/boot/alpha/libalpha/start.S
+++ b/sys/boot/alpha/libalpha/start.S
@@ -52,6 +52,10 @@ NESTED(start, 1, ENTRY_FRAME, ra, 0, 0)
 Lstartgp:
 	LDGP(pv)
 
+#ifndef BOOT1
+	CALL(extend_heap)
+#endif
+	
 	lda	a0,_edata
 	lda	a1,_end
 	subq	a1,a0,a1