diff --git a/smartgears/r_connector/defaults/main.yml b/smartgears/r_connector/defaults/main.yml
index b64ef87..dd1051b 100644
--- a/smartgears/r_connector/defaults/main.yml
+++ b/smartgears/r_connector/defaults/main.yml
@@ -43,6 +43,7 @@ fuse_integration_name: sh-fuse-integration
 fuse_integration_group_id: org.gcube.data-access
 fuse_integration_version: latest
 fuse_integration_classifier: 'jar-with-dependencies'
+fuse_integration_extension: 'jar'
 r_connector_fuse_packages: 
   - fuse
   - libfuse2