diff --git a/tests/testthat/_snaps/convert_params.md b/tests/testthat/_snaps/convert_params.md
index 825b95af1..4a9395fc4 100644
--- a/tests/testthat/_snaps/convert_params.md
+++ b/tests/testthat/_snaps/convert_params.md
@@ -73,6 +73,31 @@
       ]
     }
 
+---
+
+    {
+      "type": "list",
+      "attributes": {
+        "names": {
+          "type": "character",
+          "attributes": {},
+          "value": ["meanlog", "sdlog"]
+        }
+      },
+      "value": [
+        {
+          "type": "double",
+          "attributes": {},
+          "value": [1.60943791]
+        },
+        {
+          "type": "double",
+          "attributes": {},
+          "value": [0.69314718]
+        }
+      ]
+    }
+
 ---
 
     {
diff --git a/tests/testthat/test-convert_params.R b/tests/testthat/test-convert_params.R
index b37e0a820..f968dfad4 100644
--- a/tests/testthat/test-convert_params.R
+++ b/tests/testthat/test-convert_params.R
@@ -23,6 +23,10 @@ test_that("convert_summary_stats_to_params.character works as expected", {
     convert_summary_stats_to_params("lnorm", median = 1, sd = 1),
     style = "json2"
   )
+  expect_snapshot_value(
+    convert_summary_stats_to_params("lnorm", median = 5, dispersion = 2),
+    style = "json2"
+  )
   expect_snapshot_value(
     convert_summary_stats_to_params("nbinom", mean = 1, dispersion = 1),
     style = "json2"