diff --git a/main.janet b/main.janet
index 29484a9..734fa38 100644
--- a/main.janet
+++ b/main.janet
@@ -55,9 +55,12 @@
   entries)
 
 (defn ensure-dorodata []
-  (-> (file/open dorodata :w)
-      (file/flush)
-      (file/close)))
+  (let [f (file/open dorodata :r)]
+    (if (nil? f)
+      (-> (file/open dorodata :w)
+          (file/flush)
+          (file/close))
+      (file/close f))))
 
 (defn load-entries []
   (let [f (file/open dorodata :r)