diff --git a/spin.toml b/spin.toml
index f4f16c81..057e2ddc 100644
--- a/spin.toml
+++ b/spin.toml
@@ -63,7 +63,7 @@ watch = ["content/**/*", "templates/*"]
 source = "modules/spin_static_fs.wasm"
 files = [{ source = "static/", destination = "/" }]
 [component.fileserver-static.build]
-command = ["npm run bundle-scripts-ci"]
+command = "npm run bundle-scripts-ci"
 
 [component.fileserver-downloads]
 source = "modules/spin_static_fs.wasm"