diff --git a/gcc/config/convex/convex.c b/gcc/config/convex/convex.c
index 90d430839a9..89da18eca73 100644
--- a/gcc/config/convex/convex.c
+++ b/gcc/config/convex/convex.c
@@ -1,5 +1,5 @@
 /* Subroutines for insn-output.c for Convex.
-   Copyright (C) 1988,1993 Free Software Foundation, Inc.
+   Copyright (C) 1988, 1993 Free Software Foundation, Inc.
 
 This file is part of GNU CC.
 
@@ -949,6 +949,8 @@ insert_ap_loads ()
 	  }
     } while (doagain);
 
+  ap_is_live = 0;
+
   for (insn = get_last_insn (); insn; insn = PREV_INSN (insn))
     switch (GET_CODE (insn))
       {