diff --git a/src-modules/module/costage/rohdaten_sos/sos_costage_unload.xml b/src-modules/module/costage/rohdaten_sos/sos_costage_unload.xml
index aae7f0d..24cb89f 100644
--- a/src-modules/module/costage/rohdaten_sos/sos_costage_unload.xml
+++ b/src-modules/module/costage/rohdaten_sos/sos_costage_unload.xml
@@ -197,7 +197,7 @@ G.skz_key as stg,
 '' ,--schwp,
 G.fachkennzeichen,
 '' ,--fb,
-val(G.pversion),
+F.po_stp_stp_version_kb as pversion,
 F.semester,
 F.studiengang_nr,
 F.fach_nr,