diff --git a/tubesync/sync/forms.py b/tubesync/sync/forms.py
index b96b39702..9f45ef22e 100644
--- a/tubesync/sync/forms.py
+++ b/tubesync/sync/forms.py
@@ -1,5 +1,6 @@
 
 from django import forms, VERSION as DJANGO_VERSION
+from django.conf import settings
 from django.utils.translation import gettext_lazy as _
 
 from .models import Source
@@ -29,6 +30,12 @@
     },
 )
 
+def source_clean_media_format(self):
+    data = self.cleaned_data.get('media_format', '').strip()
+    return data or getattr(settings, 'MEDIA_FORMATSTR', settings.MEDIA_FORMATSTR_DEFAULT)
+
+SourceForm.clean_media_format = source_clean_media_format
+
 class ValidateSourceForm(forms.Form):
 
     source_url = forms.URLField(
diff --git a/tubesync/sync/views.py b/tubesync/sync/views.py
index 0f246e3d7..067a3b77b 100644
--- a/tubesync/sync/views.py
+++ b/tubesync/sync/views.py
@@ -378,6 +378,10 @@ def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
 
     def dispatch(self, request, *args, **kwargs):
+        # Inject the adjustable media format default
+        self.prepopulated_data['media_format'] = getattr(
+            settings, 'MEDIA_FORMATSTR', settings.MEDIA_FORMATSTR_DEFAULT
+        )
         source_type = request.GET.get('source_type', '')
         if source_type and source_type in YouTube_SourceType.values:
             self.prepopulated_data['source_type'] = source_type