diff --git a/library/ui/text/interactor.factor b/library/ui/text/interactor.factor
index 84b6f43611..27502bc2da 100644
--- a/library/ui/text/interactor.factor
+++ b/library/ui/text/interactor.factor
@@ -42,7 +42,7 @@ SYMBOL: structured-input
 
 : interactor-eval ( string interactor -- )
     dup control-model clear-doc
-    2dup interactor-history push-new
+    over empty? [ 2dup interactor-history push-new ] unless
     2dup interactor-input.
     (interactor-eval) ;