diff --git a/next-release-notes.md b/next-release-notes.md
index f77d5bd6..bf08e735 100644
--- a/next-release-notes.md
+++ b/next-release-notes.md
@@ -4,6 +4,7 @@
 ### Features
 
 ### Bug Fixes and Improvements
+- Fixes an issue where drag and drop between trees was not working after remount of the target tree(#258)
 
 ### Other Changes
 -->
\ No newline at end of file
diff --git a/packages/core/src/controlledEnvironment/useControlledTreeEnvironmentProps.ts b/packages/core/src/controlledEnvironment/useControlledTreeEnvironmentProps.ts
index 39bd84c9..a9f1dba7 100644
--- a/packages/core/src/controlledEnvironment/useControlledTreeEnvironmentProps.ts
+++ b/packages/core/src/controlledEnvironment/useControlledTreeEnvironmentProps.ts
@@ -88,8 +88,11 @@ export const useControlledTreeEnvironmentProps = ({
   const unregisterTree = useCallback(
     treeId => {
       onUnregisterTree?.(trees[treeId]);
-      delete trees[treeId];
-      setTrees(trees);
+      setTrees(trees => {
+        const newTrees = {...trees};
+        delete newTrees[treeId];
+        return newTrees;
+      });
     },
     [onUnregisterTree, trees]
   );