1 files changed, 3 insertions, 0 deletions

diff --git a/src/variable.c b/src/variable.c
index 333daeb..8e75ea2 100644
--- a/src/variable.c
+++ b/src/variable.c
@@ -163,24 +163,27 @@ symtab_remove(struct symtab *st, const char *name)
         unsigned int pos, i, j, r;
         struct variable *entry;
         
         pos = hash_string(name, hash_size[st->hash_num]);
         for (i = pos; (entry = st->tab[i]);) {
                 if (strcmp(entry->name, name) == 0)
                         break;
                 if (++i >= hash_size[st->hash_num])
                         i = 0;
                 if (i == pos)
                         return ENOENT;
         }
+
+        if (!entry)
+                return ENOENT;
         
         var_free(entry);
 
         for (;;) {
                 st->tab[i] = NULL;
                 j = i;
 
                 do {
                         if (++i >= hash_size[st->hash_num])
                                 i = 0;
                         if (!st->tab[i])
                                 return 0;