diff --git a/src/renderer/book.ts b/src/renderer/book.ts
index 2aa1eb4..e535c74 100644
--- a/src/renderer/book.ts
+++ b/src/renderer/book.ts
@@ -757,7 +757,7 @@ export function initBook(api: FolioAPI) {
     draggingId = li.dataset.id ?? null;
     li.classList.add("dragging");
     if (e.dataTransfer) {
-      e.dataTransfer.effectAllowed = "move";
+      e.dataTransfer.effectAllowed = "copyMove";
       e.dataTransfer.setData("text/plain", draggingId ?? "");
     }
   });