diff --git a/DESCRIPTION b/DESCRIPTION
index 13f0a6c..a5a9aa7 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,6 +1,6 @@
 Package: autotest
 Title: Automatic Package Testing
-Version: 0.0.2.203
+Version: 0.0.2.204
 Authors@R: c(
     person("Mark", "Padgham", , "mark.padgham@email.com", role = c("aut", "cre"),
            comment = c(ORCID = "0000-0003-2172-5265")),
diff --git a/R/function-param-types.R b/R/function-param-types.R
index 73b317b..e76c910 100644
--- a/R/function-param-types.R
+++ b/R/function-param-types.R
@@ -29,10 +29,17 @@ get_param_info <- function (trace_data, fn_pars) {
 
     # param_types are in [single, vector, tabular]
     param_types <- rep (NA_character_, nrow (fn_pars_i))
+
     is_single <- vapply (fn_pars_i$length, function (j)
         all (as.integer (strsplit (j, ",") [[1]]) <= 1L),
         logical (1L))
     param_types [which (is_single)] <- "single"
+
+    is_vector <- vapply (fn_pars_i$length, function (j)
+        any (as.integer (strsplit (j, ",") [[1]]) > 1L),
+        logical (1L))
+    param_types [which (is_vector)] <- "vector"
+
     is_rect <- vapply (trace_data [par_index], function (j)
         j$typeof == "list" && length (dim (j$par_eval)) == 2,
         logical (1L))
diff --git a/codemeta.json b/codemeta.json
index 3b0d7de..a941d7e 100644
--- a/codemeta.json
+++ b/codemeta.json
@@ -8,7 +8,7 @@
   "codeRepository": "https://github.com/ropensci-review-tools/autotest",
   "issueTracker": "https://github.com/ropensci-review-tools/autotest/issues",
   "license": "https://spdx.org/licenses/GPL-3.0",
-  "version": "0.0.2.203",
+  "version": "0.0.2.204",
   "programmingLanguage": {
     "@type": "ComputerLanguage",
     "name": "R",