diff --git a/src/frontend/evaluate.c b/src/frontend/evaluate.c
index c731ad8af..b13a24d7a 100644
--- a/src/frontend/evaluate.c
+++ b/src/frontend/evaluate.c
@@ -70,8 +70,12 @@ ft_evaluate(struct pnode *node)
         d = NULL;
     }
 
-    if (d == NULL)
+    if (d == NULL) {
+        if (node && node->pn_name) {
+            fprintf(stderr, "  in term: %s\n\n", node->pn_name);
+        }
         return NULL;
+    }
 
     if (node->pn_name && !ft_evdb && d && !d->v_link2) {
         if (d->v_name)