diff --git a/src/runboat/webui.py b/src/runboat/webui.py
index 7910ac7..8c4cdd6 100644
--- a/src/runboat/webui.py
+++ b/src/runboat/webui.py
@@ -20,5 +20,5 @@ async def build(request: Request, name: str, live: Optional[str] = None):
     if live is not None and build.status == BuildStatus.started:
         return RedirectResponse(url=build.deploy_link)
     return templates.TemplateResponse(
-        "build.html", {"request": request, "build": build}
+        "build.html.jinja", {"request": request, "build": build}
     )
diff --git a/src/runboat/webui/build.html b/src/runboat/webui/build.html.jinja
similarity index 100%
rename from src/runboat/webui/build.html
rename to src/runboat/webui/build.html.jinja