diff --git a/openflexure_microscope/microscoperc.default.yaml b/openflexure_microscope/microscoperc.default.yaml
index 8394b41a..4a553c29 100644
--- a/openflexure_microscope/microscoperc.default.yaml
+++ b/openflexure_microscope/microscoperc.default.yaml
@@ -25,4 +25,4 @@ picamera_params:
 
 # Default plugins
 plugins:
-  - openflexure_microscope.plugins.default:Plugin
\ No newline at end of file
+  - openflexure_microscope.plugins.default.autofocus:Plugin
\ No newline at end of file