diff --git a/src/params/smt_params.cpp b/src/params/smt_params.cpp
index a80483d0f..399e1e357 100644
--- a/src/params/smt_params.cpp
+++ b/src/params/smt_params.cpp
@@ -51,6 +51,7 @@ void smt_params::updt_local_params(params_ref const & _p) {
     m_core_validate = p.core_validate();
     m_sls_enable = p.sls_enable();
     m_sls_parallel = p.sls_parallel();
+    m_finite_set_lattice_refutation = p.finite_set_lattice_refutation();
     m_logic = _p.get_sym("logic", m_logic);
     m_string_solver = p.string_solver();
     m_up_persist_clauses = p.up_persist_clauses();
diff --git a/src/params/smt_params.h b/src/params/smt_params.h
index 68ab50ffe..473d017ef 100644
--- a/src/params/smt_params.h
+++ b/src/params/smt_params.h
@@ -114,6 +114,7 @@ struct smt_params : public preprocessor_params,
     symbol           m_proof_log;
     bool             m_sls_enable = false;
     bool             m_sls_parallel = true;
+    bool             m_finite_set_lattice_refutation = true;
 
     // -----------------------------------
     //
diff --git a/src/smt/theory_finite_set_lattice_refutation.cpp b/src/smt/theory_finite_set_lattice_refutation.cpp
index 0f467aaa9..f80bb4a01 100644
--- a/src/smt/theory_finite_set_lattice_refutation.cpp
+++ b/src/smt/theory_finite_set_lattice_refutation.cpp
@@ -12,7 +12,7 @@ Module Name:
 #include "smt/smt_theory.h"
 #include "smt/theory_finite_set.h"
 #include "smt/smt_context.h"
-#include "iostream"
+#include <iostream>
 
 const int NUM_WORDS = 5;
 // some example have shown, the introduction of large conflict clauses can severely slow down refutation