diff --git a/template/scripts/fastapi-vue/util.py b/template/scripts/fastapi-vue/util.py
index 76324b4..a2f0ec9 100644
--- a/template/scripts/fastapi-vue/util.py
+++ b/template/scripts/fastapi-vue/util.py
@@ -51,8 +51,10 @@ def find_build_tool():
         "npm": ("install",),
         "bun": ("--bun", "install"),
     }
+    # Use build-only for deno to avoid npm-run-all2 issues with run-p
+    # (run-p tries to spawn npm which doesn't exist in deno)
     build = {
-        "deno": ("task", "build"),
+        "deno": ("task", "build-only"),
         "npm": ("run", "build"),
         "bun": ("--bun", "run", "build"),
     }