diff --git a/src/api/api_ast.cpp b/src/api/api_ast.cpp
index db10c8bb3..0203439ae 100644
--- a/src/api/api_ast.cpp
+++ b/src/api/api_ast.cpp
@@ -832,7 +832,7 @@ extern "C" {
             pp_params params;
             pp.set_simplify_implies(params.simplify_implies());
             ast* a1 = to_ast(a);
-            pp.set_logic(mk_c(c)->fparams().m_smtlib_logic.c_str());
+            pp.set_logic(mk_c(c)->fparams().m_logic.c_str());
             if (!is_expr(a1)) {
                 buffer << mk_pp(a1, mk_c(c)->m());
                 break;
diff --git a/src/smt/params/smt_params.cpp b/src/smt/params/smt_params.cpp
index 3158ea9a1..8dc0bb7d6 100644
--- a/src/smt/params/smt_params.cpp
+++ b/src/smt/params/smt_params.cpp
@@ -38,7 +38,7 @@ void smt_params::updt_local_params(params_ref const & _p) {
     m_rlimit  = p.rlimit();
     m_max_conflicts = p.max_conflicts();
     m_core_validate = p.core_validate();
-    m_smtlib_logic = _p.get_symbol("logic", m_smtlib_logic);
+    m_logic = _p.get_str("logic", m_logic.c_str());
     model_params mp(_p);
     m_model_compact = mp.compact();
     if (_p.get_bool("arith.greatest_error_pivot", false))
diff --git a/src/smt/params/smt_params.h b/src/smt/params/smt_params.h
index 8127b7eef..a60f026bc 100644
--- a/src/smt/params/smt_params.h
+++ b/src/smt/params/smt_params.h
@@ -160,7 +160,7 @@ struct smt_params : public preprocessor_params,
     //
     // -----------------------------------
     bool              m_smtlib_dump_lemmas;
-    std::string       m_smtlib_logic;
+    std::string       m_logic;
     
     // -----------------------------------
     //
@@ -260,7 +260,7 @@ struct smt_params : public preprocessor_params,
         m_old_clause_relevancy(6),
         m_inv_clause_decay(1),
         m_smtlib_dump_lemmas(false),
-        m_smtlib_logic("AUFLIA"),
+        m_logic("AUFLIA"),
         m_profile_res_sub(false),
         m_display_bool_var2expr(false),
         m_display_ll_bool_var2expr(false),
diff --git a/src/smt/smt_internalizer.cpp b/src/smt/smt_internalizer.cpp
index 78a6b85cb..5cad7547e 100644
--- a/src/smt/smt_internalizer.cpp
+++ b/src/smt/smt_internalizer.cpp
@@ -1433,7 +1433,7 @@ namespace smt {
             literal_buffer tmp;
             neg_literals(num_lits, lits, tmp);
             SASSERT(tmp.size() == num_lits);
-            display_lemma_as_smt_problem(tmp.size(), tmp.c_ptr(), false_literal, m_fparams.m_smtlib_logic.c_str());
+            display_lemma_as_smt_problem(tmp.size(), tmp.c_ptr(), false_literal, m_fparams.m_logic.c_str());
         }
         mk_clause(num_lits, lits, js);
     }
diff --git a/src/smt/tactic/smt_tactic.cpp b/src/smt/tactic/smt_tactic.cpp
index f50f0afa5..afa4cf98f 100644
--- a/src/smt/tactic/smt_tactic.cpp
+++ b/src/smt/tactic/smt_tactic.cpp
@@ -123,6 +123,11 @@ public:
         TRACE("smt_tactic", tout << this << "\nupdt_params: " << p << "\n";);
         updt_params_core(p);
         fparams().updt_params(p);
+        symbol logic = p.get_sym(symbol("logic"), symbol::null);
+        if (logic != symbol::null) {
+            if (m_ctx) m_ctx->set_logic(logic);
+            m_logic = logic;
+        }
         SASSERT(p.get_bool("auto_config", fparams().m_auto_config) == fparams().m_auto_config);
     }