diff --git a/R/build-reference.R b/R/build-reference.R
index 5eb26ecf9..3900e3d8c 100644
--- a/R/build-reference.R
+++ b/R/build-reference.R
@@ -224,7 +224,7 @@ examples_env <- function(pkg, seed = 1014, devel = TRUE, envir = parent.frame())
   width <- purrr::pluck(pkg, "meta", "code", "width", .default = 80)
   withr::local_options(width = width, .local_envir = envir)
   withr::local_seed(seed)
-  if (requireNamespace("htmltools", quietly = TRUE)) {
+  if (requireNamespace("htmlwidgets", quietly = TRUE)) {
     htmlwidgets::setWidgetIdSeed(seed)
   }