diff --git a/NEWS.md b/NEWS.md
index 29b8a2ebf..f3ae3dc6f 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -18,6 +18,7 @@
 - A bug was fixed where the initial growth was never estimated (i.e. the prior mean was always zero). By @sbfnk in #853 and reviewed by @seabbs.
 - A bug was fixed where an internal function for applying a default cdf cutoff failed due to a difference a vector length issue. By @jamesmbaazam in #858 and reviewed by @sbfnk.
 - All parameters have been changed to the new parameter interface. By @sbfnk in #871 and reviewed by @seabbs.
+- A bug was fixed where `plot.dist_spec()` wasn't throwing an informative error due to an incomplete check for the max of the specified delay. By @jamesmbaazam in #858 and reviewed by @.
 
 ## Package changes
 
diff --git a/R/dist_spec.R b/R/dist_spec.R
index 37d368362..5b9a155ba 100644
--- a/R/dist_spec.R
+++ b/R/dist_spec.R
@@ -718,7 +718,7 @@ plot.dist_spec <- function(x, samples = 50L, res = 1, cumulative = TRUE, ...) {
         cdf_cutoff <- 0
       }
       pmf_dt <- lapply(dists, function(y) {
-        if (is.infinite(attr(y, "max"))) {
+        if (is.infinite(max(y))) {
           cli_abort(
             c(
               "!" = "All distributions in {.var x} must have a finite