diff --git a/src/index.ts b/src/index.ts
index 8b5e222..48241e8 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,5 +1,5 @@
-import { Extension } from "@tiptap/core";
-import { Plugin, PluginKey } from "@tiptap/pm/state";
+import { Extension, combineTransactionSteps, getChangedRanges, findChildrenInRange } from "@tiptap/core";
+import { Plugin, PluginKey, Transaction } from "@tiptap/pm/state";
 
 const RTL = "\u0591-\u07FF\uFB1D-\uFDFD\uFE70-\uFEFC";
 const LTR =
@@ -40,11 +40,16 @@ function TextDirectionPlugin({ types }: { types: string[] }) {
       }
 
       let modified = false;
-      const tr = newState.tr;
+      const { tr } = newState;
+      const transform = combineTransactionSteps(oldState.doc, transactions as Transaction[]);
+      const changes = getChangedRanges(transform);
+
       tr.setMeta("addToHistory", false);
 
-      newState.doc.descendants((node, pos) => {
-        if (types.includes(node.type.name)) {
+      changes.forEach(({ newRange }) => {
+        const nodes = findChildrenInRange(newState.doc, newRange, node => types.includes(node.type.name))
+
+        nodes.forEach(({ node, pos }) => {
           if (node.attrs.dir !== null && node.textContent.length > 0) {
             return;
           }
@@ -55,7 +60,7 @@ function TextDirectionPlugin({ types }: { types: string[] }) {
             tr.addStoredMark(mark);
           }
           modified = true;
-        }
+        });
       });
 
       return modified ? tr : null;