diff --git a/lib/data/settings.data.js b/lib/data/settings.data.js
index 24f7213b9..15eca7e19 100644
--- a/lib/data/settings.data.js
+++ b/lib/data/settings.data.js
@@ -47,6 +47,9 @@ async function normalizeSettings(settings) {
 		}
 
 		for (const v2 of v.values) {
+			if (!v2) {
+				throw new Error("Incorrect value type for " + k)
+			}
 			v2.url = md.renderInline(v2.url)
 		}