diff --git a/kernels/common/buffer.h b/kernels/common/buffer.h
index c761bf7a98..340e962520 100644
--- a/kernels/common/buffer.h
+++ b/kernels/common/buffer.h
@@ -147,7 +147,7 @@ namespace embree
   public:
     /*! Buffer construction */
     RawBufferView()
-      : ptr_ofs(nullptr), stride(0), num(0), format(RTC_FORMAT_UNDEFINED), modCounter(1), modified(true), userData(0) {}
+      : ptr_ofs(nullptr), dptr_ofs(nullptr), stride(0), num(0), format(RTC_FORMAT_UNDEFINED), modCounter(1), modified(true), userData(0) {}
 
   public:
     /*! sets the buffer view */
diff --git a/kernels/common/scene.cpp b/kernels/common/scene.cpp
index d327113c89..4c987b1aed 100644
--- a/kernels/common/scene.cpp
+++ b/kernels/common/scene.cpp
@@ -49,6 +49,7 @@ namespace embree
       maxTimeSegments(0),
       geometries_device(nullptr),
       geometries_data_device(nullptr),
+      num_geometries_device(0),
       taskGroup(new TaskGroup()),
       progressInterface(this), progress_monitor_function(nullptr), progress_monitor_ptr(nullptr), progress_monitor_counter(0)
   {
diff --git a/tutorials/debug_device_memory/debug_device_memory.cpp b/tutorials/debug_device_memory/debug_device_memory.cpp
index c3e6a24f9a..307b5a053a 100644
--- a/tutorials/debug_device_memory/debug_device_memory.cpp
+++ b/tutorials/debug_device_memory/debug_device_memory.cpp
@@ -28,8 +28,12 @@ namespace embree
 }
 
 int main(int argc, char** argv) {
-  if (embree::TutorialBenchmark::benchmark(argc, argv)) {
-    return embree::TutorialBenchmark(embree::renderBenchFunc<embree::Tutorial>).main(argc, argv, "debug_device_memory");
+  try {
+    if (embree::TutorialBenchmark::benchmark(argc, argv)) {
+      return embree::TutorialBenchmark(embree::renderBenchFunc<embree::Tutorial>).main(argc, argv, "debug_device_memory");
+    }
+    return embree::Tutorial().main(argc,argv);
+  } catch (std::exception& e ) {
+    std::cerr << "Exception caught: " << e.what() << std::endl;
   }
-  return embree::Tutorial().main(argc,argv);
 }