diff --git a/mach/pdp/libem/gto.s b/mach/pdp/libem/gto.s
index 845ae9232..ef738e3d3 100644
--- a/mach/pdp/libem/gto.s
+++ b/mach/pdp/libem/gto.s
@@ -2,16 +2,17 @@
 .globl gto~
 
 gto~:
-;	mov     (sp)+,r4
-;	mov     4(r4),r5
-;	mov     2(r4),sp
-;	jmp     *(r4)
-
-	mov	(sp)+,r3
-1:	cmp	4(r3),r5
-	jeq	2f
-	mov	2(r5),r4
-	mov	4(r5),r2
-	br	1b
-2:	mov	2(r3),sp
-	jmp	*(r3)
+	mov     (sp)+,r4
+	mov     4(r4),r5
+	mov     2(r4),sp
+	mov      (r4),pc
+/
+/	mov	(sp)+,r3
+/1:	cmp	4(r3),r5
+/	jeq	2f
+/	mov	2(r5),r4
+/	mov	4(r5),r2
+/	mov	(r5),r5
+/	br	1b
+/2:	mov	2(r3),sp
+/	jmp	*(r3)