diff --git a/lib/atc/OutputManager.cpp b/lib/atc/OutputManager.cpp
index 996d212507..066c240cab 100644
--- a/lib/atc/OutputManager.cpp
+++ b/lib/atc/OutputManager.cpp
@@ -161,8 +161,8 @@ void OutputManager::read_restart_file(string fileName, RESTART_LIST *data)
     for (int i = 0; i < field_data->nRows(); ++i) {
       for (int j = 0; j < field_data->nCols(); ++j) {
         double myVal;
-        fread(&myVal,sizeof(double),1,fp);
-        (*field_data)(i,j) = myVal;  
+        if (fread(&myVal,sizeof(double),1,fp) == 1)
+          (*field_data)(i,j) = myVal;  
     
       }
     }