diff --git a/marietje/songs/admin.py b/marietje/songs/admin.py
index 2d02e2d..fa2e684 100644
--- a/marietje/songs/admin.py
+++ b/marietje/songs/admin.py
@@ -14,3 +14,7 @@ class SongAdmin(admin.ModelAdmin):
             return obj.user.name
         except AttributeError:
             return '<unknown>'
+
+    @staticmethod
+    def get_readonly_fields(request, obj=None):
+        return [] if request.user.is_superuser else ['hash']
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