--- a/OrthancCppClient/Series.cpp	Wed Oct 30 11:56:28 2013 +0100
+++ b/OrthancCppClient/Series.cpp	Mon Nov 04 11:19:31 2013 +0100
@@ -273,7 +273,11 @@
     ReadSeries();
     status_ = Status3DImage_NotTested;
     url_ = std::string(connection_.GetOrthancUrl()) + "/series/" + id_;
+
     isVoxelSizeRead_ = false;
+    voxelSizeX_ = 0;
+    voxelSizeY_ = 0;
+    voxelSizeZ_ = 0;
 
     instances_.SetThreadCount(connection.GetThreadCount());
   }
@@ -465,7 +469,7 @@
     }
 
     uint8_t* stackTarget = reinterpret_cast<uint8_t*>(target);
-    for (Instances::iterator it = instances.begin(); it != instances.end(); it++)
+    for (Instances::iterator it = instances.begin(); it != instances.end(); ++it)
     {
       processor.Post(new ImageDownloadCommand(*it->second, format, mode, stackTarget, lineStride));
       stackTarget += stackStride;