diff --git a/packages/layerchart/src/routes/docs/examples/Choropleth/+page.svelte b/packages/layerchart/src/routes/docs/examples/Choropleth/+page.svelte
index ee8d2a8bc..647320899 100644
--- a/packages/layerchart/src/routes/docs/examples/Choropleth/+page.svelte
+++ b/packages/layerchart/src/routes/docs/examples/Choropleth/+page.svelte
@@ -114,7 +114,7 @@
           />
           <Tooltip.Item
             label="Est. Percent under 18"
-            value={d?.percentUnder18 ?? 0 / 100}
+            value={d ? d.percentUnder18 / 100 : 0}
             format="percentRound"
             valueAlign="right"
           />