diff --git a/src/model/model_evaluator.cpp b/src/model/model_evaluator.cpp
index b1dc9c1ab..23bab1761 100644
--- a/src/model/model_evaluator.cpp
+++ b/src/model/model_evaluator.cpp
@@ -18,6 +18,7 @@ Revision History:
 --*/
 #include "ast/ast_pp.h"
 #include "ast/ast_util.h"
+#include "ast/recfun_decl_plugin.h"
 #include "ast/rewriter/rewriter_types.h"
 #include "ast/rewriter/bool_rewriter.h"
 #include "ast/rewriter/arith_rewriter.h"
@@ -374,6 +375,8 @@ struct evaluator_cfg : public default_rewriter_cfg {
 
             var_subst vs(m, false);
             result = vs(fi->get_interp(), num, args);
+            if (!is_ground(result.get()) && recfun::util(m).is_defined(f))
+                return BR_DONE;
             return BR_REWRITE_FULL;
         }