diff --git a/NAMESPACE b/NAMESPACE
index 9e54735..7b011c5 100644
--- a/NAMESPACE
+++ b/NAMESPACE
@@ -32,6 +32,7 @@ importFrom(ggbeeswarm,position_quasirandom)
 importFrom(rlang,":=")
 importFrom(rlang,.data)
 importFrom(rlang,sym)
+importFrom(rlang,syms)
 importFrom(scales,identity_trans)
 importFrom(scales,label_parse)
 importFrom(scales,label_percent)
diff --git a/R/ggkmrisktable.R b/R/ggkmrisktable.R
index 815e2b1..1d7665b 100644
--- a/R/ggkmrisktable.R
+++ b/R/ggkmrisktable.R
@@ -1,5 +1,6 @@
 #' @importFrom rlang :=
 #' @importFrom rlang .data
+#' @importFrom rlang syms
 #' @importFrom survival survfit
 #' @importFrom survival Surv
 #' @import tidyr
@@ -321,6 +322,7 @@ ggkmrisktable <- function(data = lung_long, # long format filter to Endpoint of
                          theme_certara = TRUE,
                          return_list = FALSE
 ) {
+  none = NULL
   timevar          <- time
   statusvar        <- status
   endpointinputvar <- endpoint