diff --git a/src/main/frontend/handler/dnd.cljs b/src/main/frontend/handler/dnd.cljs
index c7b571a0c..2646641e5 100644
--- a/src/main/frontend/handler/dnd.cljs
+++ b/src/main/frontend/handler/dnd.cljs
@@ -18,25 +18,23 @@
   2. Sometimes we might need to move a parent block to it's own child.
   "
   [current-block target-block top? nested?]
-  (if-not (every? map? [current-block target-block])
-    (log/error :dnd/move-block-argument-error
-      {:current-block current-block :target-block target-block})
-   (let [[current-node target-node]
-         (mapv outliner-core/block [current-block target-block])]
-     (cond
-       top?
-       (let [first-child?
-             (= (tree/-get-parent-id target-node)
-               (tree/-get-left-id target-node))]
-         (if first-child?
-           (let [parent (tree/-get-parent target-node)]
-             (outliner-core/move-subtree current-node parent false))
-           (outliner-core/move-subtree current-node target-node true)))
-       nested?
-       (outliner-core/move-subtree current-node target-node false)
+  (when (every? map? [current-block target-block])
+    (let [[current-node target-node]
+          (mapv outliner-core/block [current-block target-block])]
+      (cond
+        top?
+        (let [first-child?
+              (= (tree/-get-parent-id target-node)
+                (tree/-get-left-id target-node))]
+          (if first-child?
+            (let [parent (tree/-get-parent target-node)]
+              (outliner-core/move-subtree current-node parent false))
+            (outliner-core/move-subtree current-node target-node true)))
+        nested?
+        (outliner-core/move-subtree current-node target-node false)
 
-       :else
-       (outliner-core/move-subtree current-node target-node true))
-     (let [repo (state/get-current-repo)]
-       (db/refresh repo {:key :block/change
-                         :data [(:data current-node) (:data target-node)]})))))
+        :else
+        (outliner-core/move-subtree current-node target-node true))
+      (let [repo (state/get-current-repo)]
+        (db/refresh repo {:key :block/change
+                          :data [(:data current-node) (:data target-node)]})))))