diff --git a/forms/admin_login.go b/forms/admin_login.go
index 89c6ff15..09cf4f97 100644
--- a/forms/admin_login.go
+++ b/forms/admin_login.go
@@ -56,7 +56,7 @@ func NewAdminLoginWithConfig(config AdminLoginConfig) *AdminLogin {
 // Validate makes the form validatable by implementing [validation.Validatable] interface.
 func (form *AdminLogin) Validate() error {
 	return validation.ValidateStruct(form,
-		validation.Field(&form.Email, validation.Required, validation.Length(1, 255), is.Email),
+		validation.Field(&form.Email, validation.Required, validation.Length(1, 255), is.EmailFormat),
 		validation.Field(&form.Password, validation.Required, validation.Length(1, 255)),
 	)
 }
diff --git a/forms/user_email_login.go b/forms/user_email_login.go
index 1b8d73a9..122f50c9 100644
--- a/forms/user_email_login.go
+++ b/forms/user_email_login.go
@@ -55,7 +55,7 @@ func NewUserEmailLoginWithConfig(config UserEmailLoginConfig) *UserEmailLogin {
 // Validate makes the form validatable by implementing [validation.Validatable] interface.
 func (form *UserEmailLogin) Validate() error {
 	return validation.ValidateStruct(form,
-		validation.Field(&form.Email, validation.Required, validation.Length(1, 255), is.Email),
+		validation.Field(&form.Email, validation.Required, validation.Length(1, 255), is.EmailFormat),
 		validation.Field(&form.Password, validation.Required, validation.Length(1, 255)),
 	)
 }