diff --git a/src/resources.py b/src/resources.py
index 6f79e3f..cded0f8 100644
--- a/src/resources.py
+++ b/src/resources.py
@@ -61,6 +61,22 @@ class SampleResource(Resource):
             if len(generated_tag) > 2:  # Ensure minimum length
                 break
 
+        # Handle mega-autismo-cliento
+        soundfile_content_length = soundfile.content_length
+        if soundfile_content_length <= 0:  # BRUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUH
+            current_app.logger.debug(
+                "The uploader did not provide content-length for the sound file... Calculating manually..."
+            )
+            # So, this is a seekable stream, so we just seek to the end
+            old_ptr = soundfile.tell()
+            soundfile.seek(0, 2)
+            # Check where is the end (= content length)
+            soundfile_content_length = soundfile.tell()
+            # Seek back to where the stream was
+            soundfile.seek(old_ptr, 0)
+
+            # It's insane, that you can not set this field in curl
+
         record = SampleMetadata(
             device_id=desc['device_id'],
             device_date=desc['date'],
@@ -75,7 +91,7 @@ class SampleResource(Resource):
                         'wave.wav',
                         soundfile,
                         soundfile.content_type,
-                        {'Content-Length': soundfile.content_length})}).raise_for_status()
+                        {'Content-Length': soundfile_content_length})}).raise_for_status()  # Anyádat curl am
             credentials = pika.PlainCredentials(current_app.config['FLASK_PIKA_PARAMS']['username'],
                                                 current_app.config['FLASK_PIKA_PARAMS']['password'])
             connection = pika.BlockingConnection(