diff --git a/example/http/server/fast/fields_alloc.hpp b/example/http/server/fast/fields_alloc.hpp
index d60c1c49..0245ba6c 100644
--- a/example/http/server/fast/fields_alloc.hpp
+++ b/example/http/server/fast/fields_alloc.hpp
@@ -56,7 +56,7 @@ public:
     void
     destroy()
     {
-        if(refs_--)
+        if(--refs_)
             return;
         this->~static_pool();
         delete[] reinterpret_cast<char*>(this);