diff --git a/tools/hello.cpp b/tools/hello.cpp
index 944d5a4..acba2aa 100644
--- a/tools/hello.cpp
+++ b/tools/hello.cpp
@@ -293,6 +293,21 @@ public:
 };
 
 
+VkResult _vkCreateDebugReportCallbackEXT (
+    VkInstance instance,
+    const VkDebugReportCallbackCreateInfoEXT* pCreateInfo,
+    const VkAllocationCallbacks* pAllocator,
+    VkDebugReportCallbackEXT* pCallback
+) noexcept {
+    return reinterpret_cast<decltype(_vkCreateDebugReportCallbackEXT)*> (
+        vkGetInstanceProcAddr (
+            instance,
+            "vkCreateDebugReportCallbackEXT"
+        )
+    ) (instance, pCreateInfo, pAllocator, pCallback);
+}
+
+
 ///////////////////////////////////////////////////////////////////////////////
 int
 main (void)
@@ -332,16 +347,14 @@ main (void)
         ;
 
     debug_info.pfnCallback = vk_debug_callback;
-    if (0) {
-        VkDebugReportCallbackEXT obj;
-        auto res = vkCreateDebugReportCallbackEXT (instance.native (), &debug_info, nullptr, &obj);
-        if (res != VK_SUCCESS)
-            panic ("deport report callback");
-    }
+    VkDebugReportCallbackEXT obj;
+    auto res = _vkCreateDebugReportCallbackEXT (instance.native (), &debug_info, nullptr, &obj);
+    if (res != VK_SUCCESS)
+        panic ("deport report callback");
 
-    auto debug_callback = cruft::vk::make_owned<cruft::vk::debug_report> (
-        instance, &debug_info, nullptr
-    );
+    //auto debug_callback = cruft::vk::make_owned<cruft::vk::debug_report> (
+    //    instance, &debug_info, nullptr
+    //);
 
 
     //-------------------------------------------------------------------------