diff --git a/flutter_inappwebview_android/android/src/main/java/com/pichillilorenzo/flutter_inappwebview_android/plugin_scripts_js/InterceptAjaxRequestJS.java b/flutter_inappwebview_android/android/src/main/java/com/pichillilorenzo/flutter_inappwebview_android/plugin_scripts_js/InterceptAjaxRequestJS.java
index 2ec2e0178..6e4d729d4 100644
--- a/flutter_inappwebview_android/android/src/main/java/com/pichillilorenzo/flutter_inappwebview_android/plugin_scripts_js/InterceptAjaxRequestJS.java
+++ b/flutter_inappwebview_android/android/src/main/java/com/pichillilorenzo/flutter_inappwebview_android/plugin_scripts_js/InterceptAjaxRequestJS.java
@@ -53,7 +53,7 @@ public static PluginScript createInterceptOnlyAsyncAjaxRequestsPluginScript(bool
           "          reader.addEventListener('loadend', function() {  " +
           "            callback(new Uint8Array(reader.result));" +
           "          });" +
-          "          reader.readAsArrayBuffer(blob);" +
+          "          reader.readAsArrayBuffer(request.response);" +
           "          return;" +
           "        case 'document':" +
           "          callback(request.response.documentElement.outerHTML);" +
diff --git a/flutter_inappwebview_ios/ios/Classes/PluginScriptsJS/InterceptAjaxRequestJS.swift b/flutter_inappwebview_ios/ios/Classes/PluginScriptsJS/InterceptAjaxRequestJS.swift
index 28ebb58b3..8fbe6a3e6 100644
--- a/flutter_inappwebview_ios/ios/Classes/PluginScriptsJS/InterceptAjaxRequestJS.swift
+++ b/flutter_inappwebview_ios/ios/Classes/PluginScriptsJS/InterceptAjaxRequestJS.swift
@@ -55,7 +55,7 @@ let INTERCEPT_AJAX_REQUEST_JS_SOURCE = """
           reader.addEventListener('loadend', function() {
             callback(new Uint8Array(reader.result));
           });
-          reader.readAsArrayBuffer(blob);
+          reader.readAsArrayBuffer(request.response);
           return;
         case 'document':
           callback(request.response.documentElement.outerHTML);
diff --git a/flutter_inappwebview_macos/macos/Classes/PluginScriptsJS/InterceptAjaxRequestJS.swift b/flutter_inappwebview_macos/macos/Classes/PluginScriptsJS/InterceptAjaxRequestJS.swift
index 4a68e9b6b..dc5cd82ed 100644
--- a/flutter_inappwebview_macos/macos/Classes/PluginScriptsJS/InterceptAjaxRequestJS.swift
+++ b/flutter_inappwebview_macos/macos/Classes/PluginScriptsJS/InterceptAjaxRequestJS.swift
@@ -56,7 +56,7 @@ let INTERCEPT_AJAX_REQUEST_JS_SOURCE = """
           reader.addEventListener('loadend', function() {
             callback(new Uint8Array(reader.result));
           });
-          reader.readAsArrayBuffer(blob);
+          reader.readAsArrayBuffer(request.response);
           return;
         case 'document':
           callback(request.response.documentElement.outerHTML);