diff --git a/AgileWorks/AgileWorks/WebView/View/WebViewController.swift b/AgileWorks/AgileWorks/WebView/View/WebViewController.swift
index 68a4828c0b5855d3489cd900efb8208de18aaba4..4fb707d4ce9590e0957208403e5e66acaf9482d4 100644
--- a/AgileWorks/AgileWorks/WebView/View/WebViewController.swift
+++ b/AgileWorks/AgileWorks/WebView/View/WebViewController.swift
@@ -95,6 +95,8 @@ class WebViewController: UIViewController {
         // 回転時リサイズ設定
         mainWebView.autoresizingMask = [.flexibleWidth, .flexibleHeight]
         self.formView.addSubview(mainWebView)
+
+        mainWebView.navigationDelegate = self
     }
 
     // WebView ロード処理
@@ -343,6 +345,9 @@ extension WebViewController: WKUIDelegate {
     }
 }
 
+extension WebViewController: WKNavigationDelegate {
+}
+
 extension WebViewController: SubWebViewStackEventDelegate {
     func onClose(webView: WKWebView, stack: SubWebViewStack) {
         if stack.isEmpty {