X-Git-Url: https://git.exim.org/users/jgh/exim.git/blobdiff_plain/e9dfcfb7b87107c2a55441c93aa463f9ea7586e1..677481d4fcf4811e193603d0e9970d1f62c74567:/src/src/arc.c

diff --git a/src/src/arc.c b/src/src/arc.c
index 94365498f..b453e171c 100644
--- a/src/src/arc.c
+++ b/src/src/arc.c
@@ -1192,7 +1192,7 @@ static gstring *
 arc_sign_append_aar(gstring * g, arc_ctx * ctx,
   const uschar * identity, int instance, blob * ar)
 {
-int aar_off = g ? g->ptr : 0;
+int aar_off = gstring_length(g);
 arc_set * as =
   store_get(sizeof(arc_set) + sizeof(arc_line) + sizeof(header_line), FALSE);
 arc_line * al = (arc_line *)(as+1);