--- branches/development/src/io/DumpReader.cpp	2012/08/31 21:16:10	1793
+++ branches/development/src/io/DumpReader.cpp	2012/09/06 19:44:06	1794
@@ -75,7 +75,8 @@ namespace OpenMD { 
     if (worldRank == 0) { 
 #endif 
       
-      inFile_ = new std::ifstream(filename_.c_str()); 
+      inFile_ = new std::ifstream(filename_.c_str(),   
+                                  ifstream::in | ifstream::binary); 
       
       if (inFile_->fail()) { 
 	sprintf(painCave.errMsg,