diff --git a/web/pdf_find_bar.js b/web/pdf_find_bar.js
index c004017a7..d13d39494 100644
--- a/web/pdf_find_bar.js
+++ b/web/pdf_find_bar.js
@@ -87,7 +87,7 @@ class PDFFindBar {
       this.dispatchEvent("diacriticmatchingchange");
     });
 
-    this.eventBus._on("resize", this._adjustWidth.bind(this));
+    this.eventBus._on("resize", this.#adjustWidth.bind(this));
   }
 
   reset() {
@@ -130,7 +130,7 @@ class PDFFindBar {
 
     findMsg.then(msg => {
       this.findMsg.textContent = msg;
-      this._adjustWidth();
+      this.#adjustWidth();
     });
 
     this.updateResultsCount(matchesCount);
@@ -165,7 +165,7 @@ class PDFFindBar {
       this.findResultsCount.textContent = msg;
       // Since `updateResultsCount` may be called from `PDFFindController`,
       // ensure that the width of the findbar is always updated correctly.
-      this._adjustWidth();
+      this.#adjustWidth();
     });
   }
 
@@ -179,7 +179,7 @@ class PDFFindBar {
     this.findField.select();
     this.findField.focus();
 
-    this._adjustWidth();
+    this.#adjustWidth();
   }
 
   close() {
@@ -202,10 +202,7 @@ class PDFFindBar {
     }
   }
 
-  /**
-   * @private
-   */
-  _adjustWidth() {
+  #adjustWidth() {
     if (!this.opened) {
       return;
     }