--- blha/njet_olp.cpp.orig	2016-06-09 15:09:37.024953173 +0200
+++ blha/njet_olp.cpp	2016-06-09 15:09:41.783999034 +0200
@@ -1076,12 +1076,12 @@
   string line;
   int linenum = 0;
 
-  while (is_good && (is_good = getline(*input, line))) {
+  while (is_good && (is_good = getline(*input, line).good())) {
     linenum++;
     if (line.find(SIGNPREF) == 0) {
       is_njet = true;
       if (stringstream(line.substr(SIGNPREF.length())) >> signval) {
-        is_good = getline(*input, line);
+        is_good = getline(*input, line).good();
         linenum++;
         body.push_back(line);
         continue;