diff --git a/mach/m68k4/libem/set.s b/mach/m68k4/libem/set.s
index fa4899676..f9e076599 100644
--- a/mach/m68k4/libem/set.s
+++ b/mach/m68k4/libem/set.s
@@ -23,7 +23,8 @@
 	blt	2f
 	move.l	a0, -(sp)
 	move.l	#ESET, -(sp)	! bitnumber too large
-	jmp	.trp
+	jsr	.trp
+	rts
 2:
 	bset	d0, 0(sp, d2.l)
 	jmp	(a0)