diff --git a/preprocessor/DynamicModel.cc b/preprocessor/DynamicModel.cc
index e8a35f07f..55f22502d 100644
--- a/preprocessor/DynamicModel.cc
+++ b/preprocessor/DynamicModel.cc
@@ -3464,7 +3464,8 @@ DynamicModel::writeParamsDerivativesFile(const string &basename) const
       paramsDerivsFile << ";" << endl;
     }
 
-  paramsDerivsFile << "end" << endl;
+  paramsDerivsFile << "end" << endl
+                   << "end" << endl;
 
   writePowerDeriv(paramsDerivsFile, false);