diff --git a/R/driver_associations_univariate_server.R b/R/driver_associations_univariate_server.R
index be73d00..635c310 100644
--- a/R/driver_associations_univariate_server.R
+++ b/R/driver_associations_univariate_server.R
@@ -46,7 +46,7 @@ univariate_driver_server <- function(id, cohort_obj) {
 
           !is.null(cohort_obj()$group_name),
           is.character(cohort_obj()$group_name),
-          length(cohort_obj()$group_name) == 1,
+          length(cohort_obj()$group_name) == 1
         )
 
         iatlasGraphQLClient::query_tags(