diff --git a/Libraries/PyKotor/src/pykotor/extract/installation.py b/Libraries/PyKotor/src/pykotor/extract/installation.py
index 86a7115f6..417ee42ee 100644
--- a/Libraries/PyKotor/src/pykotor/extract/installation.py
+++ b/Libraries/PyKotor/src/pykotor/extract/installation.py
@@ -1462,6 +1462,7 @@ def check_folders(values: list[Path]):
                     resname=gff_file.stem,
                     restype=restype,
                     size=gff_file.stat().st_size,
+                    offset=0,
                     filepath=gff_file
                 )
                 gffs.add(fileres)