1 files changed, 2 insertions, 1 deletions

diff --git a/editors/awk.c b/editors/awk.c
index b6d8cf203..f2b8b13eb 100644
--- a/editors/awk.c
+++ b/editors/awk.c
@@ -1265,7 +1265,7 @@ static node *parse_expr(uint32_t iexp)
         debug_printf_parse("%s(%x)\n", __func__, iexp);
 
         sn.info = PRIMASK;
-        sn.r.n = glptr = NULL;
+        sn.r.n = sn.a.n = glptr = NULL;
         xtc = TC_OPERAND | TC_UOPPRE | TC_REGEXP | iexp;
 
         while (!((tc = next_token(xtc)) & iexp)) {
@@ -1287,6 +1287,7 @@ static node *parse_expr(uint32_t iexp)
                             || ((t_info == vn->info) && ((t_info & OPCLSMASK) == OC_COLON))
                         ) {
                                 vn = vn->a.n;
+                                if (!vn->a.n) syntax_error(EMSG_UNEXP_TOKEN);
                         }
                         if ((t_info & OPCLSMASK) == OC_TERNARY)
                                 t_info += P(6);