diff --git a/test/helpers/count.hpp b/test/helpers/count.hpp
index 11e00e9f..0589586e 100644
--- a/test/helpers/count.hpp
+++ b/test/helpers/count.hpp
@@ -6,6 +6,8 @@
 #if !defined(BOOST_UNORDERED_TEST_HELPERS_COUNT_HEAD)
 #define BOOST_UNORDERED_TEST_HELPERS_COUNT_HEAD
 
+#include <iostream>
+
 namespace test {
     struct object_count {
         int instances;
@@ -36,6 +38,11 @@ namespace test {
         bool operator!=(object_count const& x) const {
             return !(*this == x);
         }
+        
+        friend std::ostream& operator<<(std::ostream& out, object_count const& c) {
+            out<<"[instances: "<<c.instances<<", constructions: "<<c.constructions<<"]";
+            return out;
+        }
     };
 
     template <class T>