diff --git a/src/tactic/portfolio/euf_completion_tactic.cpp b/src/tactic/portfolio/euf_completion_tactic.cpp
index c61b678f1..aafccd69f 100644
--- a/src/tactic/portfolio/euf_completion_tactic.cpp
+++ b/src/tactic/portfolio/euf_completion_tactic.cpp
@@ -35,6 +35,16 @@ class euf_side_condition_solver : public euf::side_condition_solver {
 public:
     euf_side_condition_solver(ast_manager& m, params_ref const& p) : m(m), m_params(p), m_deps(m) {}
 
+    void push() override {
+        init_solver();
+        m_solver->push();
+    }
+
+    void pop(unsigned n) override {
+        SASSERT(m_solver.get());
+        m_solver->pop(n);
+    }
+
     void add_constraint(expr* f, expr_dependency* d) override {
         if (!is_ground(f))
             return;
@@ -66,7 +76,7 @@ public:
     }
 };
 
-static euf::completion* mk_completion(ast_manager& m, dependent_expr_state& s, params_ref const& p) {
+dependent_expr_simplifier* mk_euf_completion_simplifier(ast_manager& m, dependent_expr_state& s, params_ref const& p) {
     auto r = alloc(euf::completion, m, s);
     auto scs = alloc(euf_side_condition_solver, m, p);
     r->set_solver(scs);
@@ -75,5 +85,5 @@ static euf::completion* mk_completion(ast_manager& m, dependent_expr_state& s, p
 
 tactic * mk_euf_completion_tactic(ast_manager& m, params_ref const& p) {
     return alloc(dependent_expr_state_tactic, m, p,
-                 [](auto& m, auto& p, auto &s) -> dependent_expr_simplifier* { return mk_completion(m, s, p); });
+                 [](auto& m, auto& p, auto &s) -> dependent_expr_simplifier* { return mk_euf_completion_simplifier(m, s, p); });
 }
diff --git a/src/tactic/portfolio/euf_completion_tactic.h b/src/tactic/portfolio/euf_completion_tactic.h
index cfeda5ac1..02bd0c7d2 100644
--- a/src/tactic/portfolio/euf_completion_tactic.h
+++ b/src/tactic/portfolio/euf_completion_tactic.h
@@ -40,10 +40,11 @@ class ast_manager;
 class tactic;
 
 tactic * mk_euf_completion_tactic(ast_manager & m, params_ref const & p = params_ref());
+dependent_expr_simplifier* mk_euf_completion_simplifier(ast_manager& m, dependent_expr_state& s, params_ref const& p = params_ref());
 
 /*
   ADD_TACTIC("euf-completion", "simplify using equalities.", "mk_euf_completion_tactic(m, p)")
-  ADD_SIMPLIFIER("euf-completion", "simplify modulo congruence closure.", "alloc(euf::completion, m, s)")
+  ADD_SIMPLIFIER("euf-completion", "simplify modulo congruence closure.", "mk_euf_completion_simplifier(m, s, p)")
 */