diff --git a/tools/asset_pipeline/customiser_setup.py b/tools/asset_pipeline/customiser_setup.py
index 518ddbb0..9de21255 100644
--- a/tools/asset_pipeline/customiser_setup.py
+++ b/tools/asset_pipeline/customiser_setup.py
@@ -174,8 +174,11 @@ def install(iso, base, game_exe, report, refresh=False):
             if not selected.is_file():raise RuntimeError('Select an existing Skate 3 Xbox 360 ISO')
             source = Path(temp)/'disc'
             extractor = core.dependency(base/'tools', 'extract-xiso', core.XISO_URL, core.XISO_SHA, report)
-            with (Path(temp)/'extract.log').open('w') as log:
-                core.run([extractor, '-x', selected, '-d', source], log, report)
+            # Keep the log outside the temporary source directory so a failed
+            # extraction does not delete the file named in the error message.
+            base.mkdir(parents=True, exist_ok=True)
+            with (base/'extract.log').open('w', encoding='utf-8') as log:
+                core.run([extractor, '-x', '-d', source, selected], log, report)
         else:
             source = source_directory(selected, require_core=not refresh)
         stage = core._install(iso, base, game_exe, report, game_root=source, refresh=refresh,