diff --git a/app/modules/msc_getter.py b/app/modules/msc_getter.py
index b0cc565..e3a3cbe 100644
--- a/app/modules/msc_getter.py
+++ b/app/modules/msc_getter.py
@@ -212,7 +212,7 @@ class MSCGetter(niobot.Module):
             known.sort()
 
             units = ["B", "KiB", "MiB", "GiB", "TiB", "PiB"]
-            size = 0
+            size = total_size
             while size > 1024:
                 units.pop(0)
                 size /= 1024