diff --git a/lisp/ppc-assem.S b/lisp/ppc-assem.S
index 3836cfad1a3640059a002f9e4aa9530688f8fa01..c65f229994660d7bdadacf4208217c4bc6ca5def 100644
--- a/lisp/ppc-assem.S
+++ b/lisp/ppc-assem.S
@@ -399,7 +399,7 @@ lra:
 
 	.byte 18<<2
 _undefined_tramp:	
-	.byte 0,0,48
+	.byte 0,0,24
 	.long _undefined_tramp
 	.long NIL
 	.long NIL