diff --git a/sdk-scrapper/src/main/kotlin/io/github/wulkanowy/sdk/scrapper/login/LoginHelper.kt b/sdk-scrapper/src/main/kotlin/io/github/wulkanowy/sdk/scrapper/login/LoginHelper.kt
index 24c0e3cc..352e87e8 100644
--- a/sdk-scrapper/src/main/kotlin/io/github/wulkanowy/sdk/scrapper/login/LoginHelper.kt
+++ b/sdk-scrapper/src/main/kotlin/io/github/wulkanowy/sdk/scrapper/login/LoginHelper.kt
@@ -67,8 +67,10 @@ class LoginHelper(
                 AUTO -> throw ScrapperException("You must first specify Api.loginType before logging in")
                 STANDARD -> sendStandard(it, password)
                 ADFS -> {
-                    if (host == "umt.tarnow.pl") sendADFSMS(email, password) // legacy
-                    else sendADFS(it, password)
+                    if (host == "umt.tarnow.pl") {
+                        val login = if ("@" in email) email else "EDUNET\\$email"
+                        sendADFSMS(login, password)
+                    } else sendADFS(it, password)
                 }
                 ADFSLight, ADFSLightScoped, ADFSLightCufs -> sendADFSLightGeneric(it, password, loginType)
                 ADFSCards -> sendADFSCards(it, password)