diff --git a/src/vm/fzl_vm.c b/src/vm/fzl_vm.c
index 3537808..0e94957 100644
--- a/src/vm/fzl_vm.c
+++ b/src/vm/fzl_vm.c
@@ -430,8 +430,10 @@ int fzl_vm_run(fzl_vm_t *vm, bool allow_infinite, uint64_t max_iter)
       {
         uint64_t values_count = vm->ops[++vm->ip];
         fzl_vm_object_t *obj  = malloc(sizeof(fzl_vm_object_t));
-        obj->values           = malloc(values_count * sizeof(fzl_value_t));
-        obj->values_count     = values_count;
+
+        if (values_count > 0)
+          obj->values = malloc(values_count * sizeof(fzl_value_t));
+        obj->values_count = values_count;
         memset(obj->values, 0, values_count * sizeof(fzl_value_t));
 
         fzl_vm_env_t *current_env = vm->estack[vm->etop - 1];