diff --git a/src/net/deertopia/doerg/roam.clj b/src/net/deertopia/doerg/roam.clj
index b0b38ee..f34c5eb 100644
--- a/src/net/deertopia/doerg/roam.clj
+++ b/src/net/deertopia/doerg/roam.clj
@@ -133,11 +133,11 @@
         elisp/read-alist)))
 
 (defn public? [node]
-  (-> node properties (get "DEERTOPIAVISIBILITY") (= "public")))
+  (some-> (properties node) (get "DEERTOPIAVISIBILITY") (= "public")))
 
 (defn graph-visible? [node]
   (#{"public" "graphonly"}
-   (-> node properties (get "DEERTOPIAVISIBILITY"))))
+   (some-> (properties node) (get "DEERTOPIAVISIBILITY"))))
 
 (defn backlinks
   "Returns a collection of nodes linking to `node`."
@@ -149,7 +149,8 @@
                              where links.dest = ?"
                             (elisp/print (str (:id node)))])
         :let [id' (elisp/read-string id)]
-        :when (-> id' parse-uuid get-node public?)]
+        :when (some-> (-> id' parse-uuid get-node)
+                      public?)]
     (make-node id' {:title (elisp/read-string title)})))