diff --git a/R/render.R b/R/render.R
index 4dfafaa52..64b046a01 100644
--- a/R/render.R
+++ b/R/render.R
@@ -212,9 +212,9 @@ check_open_graph_list <- function(x,
   if (is.list(x) || is.null(x)) {
     return()
   }
-  not <- friendly_type_of(x)
   cli::cli_abort(
-    "{.file {file_path}}: {.field {error_path}} must be a list, not {not}.",
+    "{.file {file_path}}: {.field {error_path}} must be a list,
+     not {.obj_type_friendly {x}}.",
     call = error_call
   )
 }
diff --git a/tests/testthat/_snaps/render.md b/tests/testthat/_snaps/render.md
index 7e4715fd0..e4ab0a4f6 100644
--- a/tests/testthat/_snaps/render.md
+++ b/tests/testthat/_snaps/render.md
@@ -82,7 +82,7 @@
       check_open_graph_(list(twitter = 1))
     Condition
       Error in `check_open_graph_()`:
-      ! '_pkgdown.yml': template.opengraph.twitter must be a list, not a double vector.
+      ! '_pkgdown.yml': template.opengraph.twitter must be a list, not a number.
     Code
       check_open_graph_(list(twitter = list()))
     Condition
@@ -92,5 +92,5 @@
       check_open_graph_(list(image = 1))
     Condition
       Error in `check_open_graph_()`:
-      ! '_pkgdown.yml': template.opengraph.image must be a list, not a double vector.
+      ! '_pkgdown.yml': template.opengraph.image must be a list, not a number.