1 files changed, 1 insertions, 1 deletions

diff --git a/editors/awk.c b/editors/awk.c
index d0269b9f4..685e8bed8 100644
--- a/editors/awk.c
+++ b/editors/awk.c
@@ -1514,7 +1514,7 @@ static void chain_group(void)
                         next_token(TC_SEQSTART);
                         n2 = parse_expr(TC_SEMICOL | TC_SEQTERM);
                         if (t_tclass & TC_SEQTERM) {    /* for-in */
-                                if ((n2->info & OPCLSMASK) != OC_IN)
+                                if (!n2 || (n2->info & OPCLSMASK) != OC_IN)
                                         syntax_error(EMSG_UNEXP_TOKEN);
                                 n = chain_node(OC_WALKINIT | VV);
                                 n->l.n = n2->l.n;