diff --git a/eslint.config.mjs b/eslint.config.mjs
index d5c90d04a..a0c1610e7 100644
--- a/eslint.config.mjs
+++ b/eslint.config.mjs
@@ -262,6 +262,7 @@ export default [
       "no-useless-concat": "error",
       "no-useless-escape": "error",
       "no-useless-return": "error",
+      "prefer-object-has-own": "error",
       "prefer-promise-reject-errors": "error",
       "prefer-spread": "error",
       "wrap-iife": ["error", "any"],
diff --git a/web/internal/tree_view.js b/web/internal/tree_view.js
index 4302d4885..a227a9b83 100644
--- a/web/internal/tree_view.js
+++ b/web/internal/tree_view.js
@@ -953,18 +953,15 @@ class TreeView {
       val !== null &&
       typeof val === "object" &&
       !Array.isArray(val) &&
-      Object.prototype.hasOwnProperty.call(val, "dict") &&
-      (Object.prototype.hasOwnProperty.call(val, "bytes") ||
-        Object.prototype.hasOwnProperty.call(val, "imageData") ||
+      Object.hasOwn(val, "dict") &&
+      (Object.hasOwn(val, "bytes") ||
+        Object.hasOwn(val, "imageData") ||
         val.contentStream === true)
     );
   }
 
   #isImageStream(val) {
-    return (
-      this.#isStream(val) &&
-      Object.prototype.hasOwnProperty.call(val, "imageData")
-    );
+    return this.#isStream(val) && Object.hasOwn(val, "imageData");
   }
 
   #isFormXObjectStream(val) {
@@ -977,7 +974,7 @@ class TreeView {
       val !== null &&
       typeof val === "object" &&
       !Array.isArray(val) &&
-      Object.prototype.hasOwnProperty.call(val, "dict") &&
+      Object.hasOwn(val, "dict") &&
       val.psFunction === true
     );
   }