diff --git a/src/StaticModel.cc b/src/StaticModel.cc
index cf3067425d45181c01a2499a33602145dfcce447..3244ecf2018cd6ac33a2d0c5414b1be57243e0a5 100644
--- a/src/StaticModel.cc
+++ b/src/StaticModel.cc
@@ -769,7 +769,7 @@ StaticModel::writeAuxVarRecursiveDefinitions(ostream &output, ExprNodeOutputType
       dynamic_cast<ExprNode *>(aux_equation)->writeExternalFunctionOutput(output, output_type, {}, {}, tef_terms);
   for (auto aux_equation : aux_equations)
     {
-      dynamic_cast<ExprNode *>(aux_equation->substituteStaticAuxiliaryDefinition())->writeOutput(output, output_type);
+      dynamic_cast<ExprNode *>(aux_equation->substituteStaticAuxiliaryDefinition())->writeOutput(output, output_type, {}, {}, tef_terms);
       output << ";" << endl;
     }
 }