diff --git a/mach/m68k2/cg/mach.c b/mach/m68k2/cg/mach.c
index e96e6b666..e1593d40d 100644
--- a/mach/m68k2/cg/mach.c
+++ b/mach/m68k2/cg/mach.c
@@ -157,6 +157,7 @@ restr()
 			fprintf(codefile,"move.l (sp)+,%s\n",p->rs_reg);
 		}
 	}
+	fprintf(codefile,"unlk a6\n");
 	fprintf(codefile,"rts\n");
 }