diff --git a/lang/pc/libpc/sig.e b/lang/pc/libpc/sig.e
index d2c2dcff..6e135498 100644
--- a/lang/pc/libpc/sig.e
+++ b/lang/pc/libpc/sig.e
@@ -30,5 +30,6 @@
  lal PROC
  loi EM_PSIZE
  sig
+ asp EM_PSIZE
  ret 0                  ; ignore the result of sig
  end ?