1 files changed, 9 insertions, 0 deletions
diff --git a/src/format.h b/src/format.h
index a0b95567..256dd66a 100644
--- a/src/format.h
+++ b/src/format.h
@@ -142,6 +142,15 @@ public:
     set_text(_format);
   }
 
+  virtual void mark_uncompiled() {
+    for (element_t * elem = elements.get(); elem; elem = elem->next.get()) {
+      if (elem->type == element_t::EXPR) {
+        expr_t& expr(boost::get<expr_t>(elem->data));
+        expr.mark_uncompiled();
+      }
+    }
+  }
+
   virtual result_type real_calc(scope_t& scope);
 
   virtual void dump(std::ostream& out) const {