diff --git a/R/ClassFilter.R b/R/ClassFilter.R
index 197d9eb..6c69c0e 100644
--- a/R/ClassFilter.R
+++ b/R/ClassFilter.R
@@ -69,8 +69,8 @@ w4m_filter_imputation <-
 #' expecteds <- c(stats::var(c(1,2,3)),stats::var(c(5,7,11)),stats::var(c(13,17,19)))
 #' base::all.equal(rowvars, expecteds)
 #' colvars <- w4m__var_by_rank_or_file(m = m, dim = 2)
-#' expecteds <- c(var(c(1,5,13)),var(c(2,7,17)),var(c(3,11,19)))
-#' all.equal(colvars, expecteds)
+#' expecteds <- c(base::var(c(1,5,13)),base::var(c(2,7,17)),base::var(c(3,11,19)))
+#' base::all.equal(colvars, expecteds)
 #'
 #' @export
 w4m__var_by_rank_or_file <- function(m, dim = 1) {