diff --git a/docs/resources/changelog.md b/docs/resources/changelog.md
index 40446091..8fdfe439 100644
--- a/docs/resources/changelog.md
+++ b/docs/resources/changelog.md
@@ -9,6 +9,7 @@ New versions of Shoelace are released as-needed and generally occur when a criti
 ## Next
 
 - Fixed a bug in `<sl-animated-image>` where the play and pause buttons were transposed [#1147](https://github.com/shoelace-style/shoelace/issues/1147)
+- Fixed a bug that prevented `web-types.json` from being generated [#1154](https://github.com/shoelace-style/shoelace/discussions/1154)
 
 ## 2.0.0
 
diff --git a/scripts/make-web-types.js b/scripts/make-web-types.js
index 25d468ca..4e0c6c74 100644
--- a/scripts/make-web-types.js
+++ b/scripts/make-web-types.js
@@ -64,6 +64,7 @@ const jsonataExprString = `{
 
 // Run the conversion
 const expression = jsonata(jsonataExprString);
+const result = await expression.evaluate(metadata);
 
 console.log('Generating web types');
-fs.writeFileSync(path.join(outdir, 'web-types.json'), JSON.stringify(expression.evaluate(metadata), null, 2), 'utf8');
+fs.writeFileSync(path.join(outdir, 'web-types.json'), JSON.stringify(result, null, 2), 'utf8');