diff --git a/openflexure_microscope/api/default_extensions/scan.py b/openflexure_microscope/api/default_extensions/scan.py
index 65db21b9..b7eb0b94 100644
--- a/openflexure_microscope/api/default_extensions/scan.py
+++ b/openflexure_microscope/api/default_extensions/scan.py
@@ -84,6 +84,7 @@ def capture(
         annotations=annotations,
         tags=tags,
         metadata=metadata,
+        cache_key=folder
     )