diff --git a/scripts/ci/prek/compile_ui_assets_dev.py b/scripts/ci/prek/compile_ui_assets_dev.py
index c2a26f5ad08dd..8e98a0708f4a4 100755
--- a/scripts/ci/prek/compile_ui_assets_dev.py
+++ b/scripts/ci/prek/compile_ui_assets_dev.py
@@ -79,9 +79,10 @@
             stderr=subprocess.STDOUT,
         )
 
-    subprocess.Popen(
+    subprocess.run(
         ["pnpm", "dev"],
         cwd=os.fspath(UI_DIRECTORY),
+        check=True,
         env=env,
         stdout=open(UI_ASSET_OUT_DEV_MODE_FILE, "a"),
         stderr=subprocess.STDOUT,