diff --git a/.riahub/workflows/train.yaml b/.riahub/workflows/train.yaml
index 3145d94..1a99b2e 100644
--- a/.riahub/workflows/train.yaml
+++ b/.riahub/workflows/train.yaml
@@ -27,6 +27,10 @@ jobs:
       # downstream step uses the env var, no hard-coded paths.
       WAVESFM_REPO_DIR: "/opt/wavesfm/repo"
       WAVESFM_ADAPTED_DATA: "/opt/wavesfm/adapted_data.h5"
+      # Override the model-download base URL to logan's internal LAN IP.
+      # External riahub.ai LFS batch endpoint is unreachable from runner;
+      # internal IP works directly.
+      RIAHUB_BASE_URL: "http://192.168.0.170:3000"
     steps:
       - name: Display basic runner info
         run: |