diff --git a/app/src/main/java/pl/szczodrzynski/edziennik/data/api/edziennik/librus/data/LibrusMessages.kt b/app/src/main/java/pl/szczodrzynski/edziennik/data/api/edziennik/librus/data/LibrusMessages.kt
index 845cf83f..dc8d8c47 100644
--- a/app/src/main/java/pl/szczodrzynski/edziennik/data/api/edziennik/librus/data/LibrusMessages.kt
+++ b/app/src/main/java/pl/szczodrzynski/edziennik/data/api/edziennik/librus/data/LibrusMessages.kt
@@ -253,6 +253,7 @@ open class LibrusMessages(open val data: DataLibrus, open val lastSync: Long?) {
     }
 
     fun sandboxGetFile(tag: String, url: String, targetFile: File, onSuccess: (file: File) -> Unit,
+                       method: Int = GET,
                        onProgress: (written: Long, total: Long) -> Unit) {
 
         d(tag, "Request: Librus/Messages - $url")
@@ -291,9 +292,14 @@ open class LibrusMessages(open val data: DataLibrus, open val lastSync: Long?) {
         }
 
         Request.builder()
-                .url("$url")
+                .url(url)
                 .userAgent(SYNERGIA_USER_AGENT)
-                .post()
+                .also {
+                    when (method) {
+                        POST -> it.post()
+                        else -> it.get()
+                    }
+                }
                 .callback(callback)
                 .build()
                 .enqueue()
diff --git a/app/src/main/java/pl/szczodrzynski/edziennik/data/api/edziennik/librus/data/messages/LibrusMessagesGetAttachment.kt b/app/src/main/java/pl/szczodrzynski/edziennik/data/api/edziennik/librus/data/messages/LibrusMessagesGetAttachment.kt
index 38475c1f..8446cab7 100644
--- a/app/src/main/java/pl/szczodrzynski/edziennik/data/api/edziennik/librus/data/messages/LibrusMessagesGetAttachment.kt
+++ b/app/src/main/java/pl/szczodrzynski/edziennik/data/api/edziennik/librus/data/messages/LibrusMessagesGetAttachment.kt
@@ -6,10 +6,7 @@ package pl.szczodrzynski.edziennik.data.api.edziennik.librus.data.messages
 
 import kotlinx.coroutines.*
 import org.greenrobot.eventbus.EventBus
-import pl.szczodrzynski.edziennik.data.api.ERROR_FILE_DOWNLOAD
-import pl.szczodrzynski.edziennik.data.api.EXCEPTION_LIBRUS_MESSAGES_REQUEST
-import pl.szczodrzynski.edziennik.data.api.LIBRUS_SANDBOX_URL
-import pl.szczodrzynski.edziennik.data.api.Regexes
+import pl.szczodrzynski.edziennik.data.api.*
 import pl.szczodrzynski.edziennik.data.api.edziennik.librus.DataLibrus
 import pl.szczodrzynski.edziennik.data.api.edziennik.librus.data.LibrusMessages
 import pl.szczodrzynski.edziennik.data.api.events.AttachmentGetEvent
@@ -54,10 +51,10 @@ class LibrusMessagesGetAttachment(override val data: DataLibrus,
 
                 val attachmentKey = keyMatcher[1]
                 getAttachmentCheckKey(attachmentKey) {
-                    downloadAttachment("${LIBRUS_SANDBOX_URL}CSDownload&singleUseKey=$attachmentKey")
+                    downloadAttachment("${LIBRUS_SANDBOX_URL}CSDownload&singleUseKey=$attachmentKey", method = POST)
                 }
             } else {
-                downloadAttachment(downloadLink)
+                downloadAttachment(downloadLink, method = GET)
             }
         }
     }
@@ -91,7 +88,7 @@ class LibrusMessagesGetAttachment(override val data: DataLibrus,
         }
     }
 
-    private fun downloadAttachment(url: String) {
+    private fun downloadAttachment(url: String, method: Int = GET) {
         val targetFile = File(Utils.getStorageDir(), attachmentName)
 
         sandboxGetFile(TAG, url, targetFile, { file ->