diff --git a/.changeset/proud-rocks-study.md b/.changeset/proud-rocks-study.md
new file mode 100644
index 00000000..8c99d123
--- /dev/null
+++ b/.changeset/proud-rocks-study.md
@@ -0,0 +1,5 @@
+---
+"ai-elements": patch
+---
+
+Fix type error in InlineCitationCardTrigger by checking sources[0] directly
diff --git a/packages/elements/src/inline-citation.tsx b/packages/elements/src/inline-citation.tsx
index 27fd0213..1f49b828 100644
--- a/packages/elements/src/inline-citation.tsx
+++ b/packages/elements/src/inline-citation.tsx
@@ -68,7 +68,7 @@ export const InlineCitationCardTrigger = ({
       variant="secondary"
       {...props}
     >
-      {sources.length ? (
+      {sources[0] ? (
         <>
           {new URL(sources[0]).hostname}{" "}
           {sources.length > 1 && `+${sources.length - 1}`}