diff --git a/src/ast/rewriter/der.cpp b/src/ast/rewriter/der.cpp
index 0e28cf6f6..1e2a19d72 100644
--- a/src/ast/rewriter/der.cpp
+++ b/src/ast/rewriter/der.cpp
@@ -176,9 +176,9 @@ void der::reduce1(quantifier * q, expr_ref & r, proof_ref & pr) {
     var * v = nullptr;
     expr_ref t(m);
 
-    if (is_forall(q) && is_var_diseq(e, num_decls, v, t) && !occurs(v, t))
+    if (is_forall(q) && is_var_diseq(e, num_decls, v, t) && !has_quantifiers(t) && !occurs(v, t))
         r = m.mk_false();
-    else if (is_exists(q) && is_var_eq(e, num_decls, v, t) && !occurs(v, t))
+    else if (is_exists(q) && is_var_eq(e, num_decls, v, t) && !has_quantifiers(t) && !occurs(v, t))
         r = m.mk_true();
     else {
         expr_ref_vector literals(m);
diff --git a/src/smt/smt_context_pp.cpp b/src/smt/smt_context_pp.cpp
index a6088fdf7..fe86c6811 100644
--- a/src/smt/smt_context_pp.cpp
+++ b/src/smt/smt_context_pp.cpp
@@ -635,7 +635,7 @@ namespace smt {
             literal_vector lits;
             const_cast<conflict_resolution&>(*m_conflict_resolution).justification2literals(j.get_justification(), lits);
             out << "justification " << j.get_justification()->get_from_theory() << ": ";
-            // display_literals_smt2(out, lits);
+            display_literals_smt2(out, lits);
             break;
         }
         default: