diff --git a/flutter_inappwebview/example/integration_test/cookie_manager/set_get_delete.dart b/flutter_inappwebview/example/integration_test/cookie_manager/set_get_delete.dart
index 4c6d04d2b..13f637793 100644
--- a/flutter_inappwebview/example/integration_test/cookie_manager/set_get_delete.dart
+++ b/flutter_inappwebview/example/integration_test/cookie_manager/set_get_delete.dart
@@ -55,11 +55,19 @@ void setGetDelete() {
       expect(await cookieManager.removeSessionCookies(), isTrue);
     }
 
-    await cookieManager.setCookie(url: url, name: "myCookie", value: "myValue");
+    // Empty cookie-value is allowed according to https://datatracker.ietf.org/doc/html/rfc6265#section-4.1.1
+    await cookieManager.setCookie(url: url, name: "myCookie", value: "");
     List<Cookie> cookies = await cookieManager.getCookies(url: url);
     expect(cookies, isNotEmpty);
 
     Cookie? cookie = await cookieManager.getCookie(url: url, name: "myCookie");
+    expect(cookie?.value.toString(), "");
+
+    await cookieManager.setCookie(url: url, name: "myCookie", value: "myValue");
+    cookies = await cookieManager.getCookies(url: url);
+    expect(cookies, isNotEmpty);
+
+    cookie = await cookieManager.getCookie(url: url, name: "myCookie");
     expect(cookie?.value.toString(), "myValue");
 
     expect(
diff --git a/flutter_inappwebview_android/lib/src/cookie_manager.dart b/flutter_inappwebview_android/lib/src/cookie_manager.dart
index 86ae5fe81..af6dc9a5e 100755
--- a/flutter_inappwebview_android/lib/src/cookie_manager.dart
+++ b/flutter_inappwebview_android/lib/src/cookie_manager.dart
@@ -76,7 +76,6 @@ class AndroidCookieManager extends PlatformCookieManager
       PlatformInAppWebViewController? webViewController}) async {
     assert(url.toString().isNotEmpty);
     assert(name.isNotEmpty);
-    assert(value.isNotEmpty);
     assert(path.isNotEmpty);
 
     Map<String, dynamic> args = <String, dynamic>{};
diff --git a/flutter_inappwebview_ios/lib/src/cookie_manager.dart b/flutter_inappwebview_ios/lib/src/cookie_manager.dart
index 2c0eea9cd..faad567c6 100755
--- a/flutter_inappwebview_ios/lib/src/cookie_manager.dart
+++ b/flutter_inappwebview_ios/lib/src/cookie_manager.dart
@@ -80,7 +80,6 @@ class IOSCookieManager extends PlatformCookieManager with ChannelController {
 
     assert(url.toString().isNotEmpty);
     assert(name.isNotEmpty);
-    assert(value.isNotEmpty);
     assert(path.isNotEmpty);
 
     if (await _shouldUseJavascript()) {
diff --git a/flutter_inappwebview_macos/lib/src/cookie_manager.dart b/flutter_inappwebview_macos/lib/src/cookie_manager.dart
index 6078cb526..ecfd306de 100755
--- a/flutter_inappwebview_macos/lib/src/cookie_manager.dart
+++ b/flutter_inappwebview_macos/lib/src/cookie_manager.dart
@@ -80,7 +80,6 @@ class MacOSCookieManager extends PlatformCookieManager with ChannelController {
 
     assert(url.toString().isNotEmpty);
     assert(name.isNotEmpty);
-    assert(value.isNotEmpty);
     assert(path.isNotEmpty);
 
     if (await _shouldUseJavascript()) {
diff --git a/flutter_inappwebview_web/lib/src/cookie_manager.dart b/flutter_inappwebview_web/lib/src/cookie_manager.dart
index a173b471e..7686f7699 100755
--- a/flutter_inappwebview_web/lib/src/cookie_manager.dart
+++ b/flutter_inappwebview_web/lib/src/cookie_manager.dart
@@ -81,7 +81,6 @@ class WebPlatformCookieManager extends PlatformCookieManager
 
     assert(url.toString().isNotEmpty);
     assert(name.isNotEmpty);
-    assert(value.isNotEmpty);
     assert(path.isNotEmpty);
 
     await _setCookieWithJavaScript(
diff --git a/flutter_inappwebview_windows/lib/src/cookie_manager.dart b/flutter_inappwebview_windows/lib/src/cookie_manager.dart
index f77c3bf49..386082d03 100644
--- a/flutter_inappwebview_windows/lib/src/cookie_manager.dart
+++ b/flutter_inappwebview_windows/lib/src/cookie_manager.dart
@@ -89,7 +89,6 @@ class WindowsCookieManager extends PlatformCookieManager
       PlatformInAppWebViewController? webViewController}) async {
     assert(url.toString().isNotEmpty);
     assert(name.isNotEmpty);
-    assert(value.isNotEmpty);
     assert(path.isNotEmpty);
 
     Map<String, dynamic> args = <String, dynamic>{};