diff --git a/src/ast/simplifier/fpa_simplifier_plugin.cpp b/src/ast/simplifier/fpa_simplifier_plugin.cpp
index 4aba9c76c..5775f1af0 100644
--- a/src/ast/simplifier/fpa_simplifier_plugin.cpp
+++ b/src/ast/simplifier/fpa_simplifier_plugin.cpp
@@ -24,16 +24,16 @@ m_rw(m) {}
 fpa_simplifier_plugin::~fpa_simplifier_plugin() {}
 
 bool fpa_simplifier_plugin::reduce(func_decl * f, unsigned num_args, expr * const * args, expr_ref & result) {
-    set_reduce_invoked();    
+    set_reduce_invoked();
 
     SASSERT(f->get_family_id() == get_family_id());
 
-    return m_rw.mk_app_core(f, num_args, args, result) == BR_DONE;
+    return m_rw.mk_app_core(f, num_args, args, result) != BR_FAILED;
 }
 
 bool fpa_simplifier_plugin::reduce_eq(expr * lhs, expr * rhs, expr_ref & result) {
     set_reduce_invoked();
 
-    return m_rw.mk_eq_core(lhs, rhs, result) == BR_DONE;
+    return m_rw.mk_eq_core(lhs, rhs, result) != BR_FAILED;
 }