diff --git a/preprocessor/ComputingTasks.cc b/preprocessor/ComputingTasks.cc
index f12c40867..ca83e94e8 100644
--- a/preprocessor/ComputingTasks.cc
+++ b/preprocessor/ComputingTasks.cc
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2016 Dynare Team
+ * Copyright (C) 2003-2017 Dynare Team
  *
  * This file is part of Dynare.
  *
@@ -336,7 +336,7 @@ RamseyConstraintsStatement::writeOutput(ostream &output, const string &basename,
 	  break;
 	default:
 	  cerr << "Ramsey constraints: this shouldn't happen." << endl;
-	  exit(1);
+	  exit(EXIT_FAILURE);
 	}
       output << "', '";
       it->expression->writeOutput(output);
diff --git a/preprocessor/DynamicModel.cc b/preprocessor/DynamicModel.cc
index 08dd2bc45..21b18d7a6 100644
--- a/preprocessor/DynamicModel.cc
+++ b/preprocessor/DynamicModel.cc
@@ -5012,7 +5012,7 @@ DynamicModel::writeFirstDerivativesC_csr(const string &basename, bool cuda) cons
 	  break;
 	default:
 	  std::cerr << "This case shouldn't happen" << std::endl;
-	  exit(1);
+	  exit(EXIT_FAILURE);
 	}
       derivative deriv(col_id + eq*cols_nbr,col_id,eq,it->second);
       D.push_back(deriv);