diff --git a/.changeset/bumpy-experts-melt.md b/.changeset/bumpy-experts-melt.md
new file mode 100644
index 000000000000..97831773c14d
--- /dev/null
+++ b/.changeset/bumpy-experts-melt.md
@@ -0,0 +1,5 @@
+---
+'astro': patch
+---
+
+Fixes a bug in live collections that caused it to incorrectly complain about the collection being defined in the wrong file
diff --git a/packages/astro/src/content/config.ts b/packages/astro/src/content/config.ts
index aa7d70439ef9..e16b4d6c9fe8 100644
--- a/packages/astro/src/content/config.ts
+++ b/packages/astro/src/content/config.ts
@@ -12,7 +12,7 @@ function getImporterFilename() {
 				!line.includes('defineCollection') &&
 				!line.includes('defineLiveCollection') &&
 				!line.includes('getImporterFilename') &&
-				line !== 'Error',
+				!line.startsWith('Error'),
 		);
 	if (!stackLine) {
 		return undefined;
@@ -113,7 +113,7 @@ export function defineLiveCollection<
 	S extends BaseSchema | undefined = undefined,
 >(config: LiveCollectionConfig<L, S>): LiveCollectionConfig<L, S> {
 	const importerFilename = getImporterFilename();
-	if (!importerFilename?.includes('live.config')) {
+	if (importerFilename && !importerFilename.includes('live.config')) {
 		throw new AstroError({
 			...AstroErrorData.LiveContentConfigError,
 			message: AstroErrorData.LiveContentConfigError.message(