diff --git a/vignettes/datasummary.qmd b/vignettes/datasummary.qmd
index 5484cf3a..dfdabe74 100644
--- a/vignettes/datasummary.qmd
+++ b/vignettes/datasummary.qmd
@@ -187,7 +187,7 @@ The `datasummary_correlation` function has a `methods` argument. The default val
 library(correlation)
 
 fun <- function(x) {
-  out <- correlation(mtcars) |>
+  out <- correlation(x) |>
     summary() |>
     format(2) |> 
     as.matrix()