--- trunk/src/io/DumpReader.cpp	2012/08/29 20:52:19	1789
+++ trunk/src/io/DumpReader.cpp	2012/08/30 17:18:22	1790
@@ -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,