diff --git a/src/ast/simplifiers/solve_eqs.cpp b/src/ast/simplifiers/solve_eqs.cpp
index fbc6fbb02..c97cab7c9 100644
--- a/src/ast/simplifiers/solve_eqs.cpp
+++ b/src/ast/simplifiers/solve_eqs.cpp
@@ -212,12 +212,13 @@ namespace euf {
             auto [f, p, d] = m_fmls[i]();
             auto [new_f, new_dep] = rp->replace_with_dep(f);
             proof_ref new_pr(m);
-            m_rewriter(new_f, new_f, new_pr);
-            if (new_f == f)
+            expr_ref tmp(m);
+            m_rewriter(new_f, tmp, new_pr);
+            if (tmp == f)
                 continue;
             new_dep = m.mk_join(d, new_dep);
             old_fmls.push_back(m_fmls[i]);
-            m_fmls.update(i, dependent_expr(m, new_f, mp(p, new_pr), new_dep));
+            m_fmls.update(i, dependent_expr(m, tmp, mp(p, new_pr), new_dep));
         }
     }
     
diff --git a/src/sat/smt/pb_internalize.cpp b/src/sat/smt/pb_internalize.cpp
index 42b06872a..391b643f5 100644
--- a/src/sat/smt/pb_internalize.cpp
+++ b/src/sat/smt/pb_internalize.cpp
@@ -30,7 +30,7 @@ namespace pb {
         if (m_pb.is_pb(e)) {
             sat::literal lit = internalize_pb(e, sign, root);
             if (m_ctx && !root && lit != sat::null_literal)
-                m_ctx->attach_lit(lit, e);            
+                m_ctx->attach_lit(literal(lit.var(), false), e);            
             return lit;
         }
         UNREACHABLE();