diff --git a/docs_new/docs/references/environment_variables.mdx b/docs_new/docs/references/environment_variables.mdx
index 348a73371..c3d32088f 100644
--- a/docs_new/docs/references/environment_variables.mdx
+++ b/docs_new/docs/references/environment_variables.mdx
@@ -365,6 +365,11 @@ SGLang supports various environment variables that can be used to configure its
       <td style={{padding: "9px 12px", backgroundColor: "rgba(255,255,255,0.05)"}}>Use FP8 for combine</td>
       <td style={{padding: "9px 12px", backgroundColor: "rgba(255,255,255,0.02)"}}><code>"false"</code></td>
     </tr>
+    <tr>
+      <td style={{padding: "9px 12px", fontWeight: 500, backgroundColor: "rgba(255,255,255,0.02)"}}><code>MORI_DISABLE_AUTO_XGMI</code></td>
+      <td style={{padding: "9px 12px", backgroundColor: "rgba(255,255,255,0.05)"}}>Set to <code>0</code> to allow Mori to automatically use XGMI for same-node PD disaggregation when no active RDMA device is available.</td>
+      <td style={{padding: "9px 12px", backgroundColor: "rgba(255,255,255,0.02)"}}><code>unset</code></td>
+    </tr>
 <tr>
       <td style={{padding: "9px 12px", fontWeight: 500, backgroundColor: "rgba(255,255,255,0.02)"}}><code>SGLANG_MORI_NUM_MAX_DISPATCH_TOKENS_PER_RANK</code></td>
       <td style={{padding: "9px 12px", backgroundColor: "rgba(255,255,255,0.05)"}}>Maximum number of dispatch tokens per rank for MORI-EP buffer allocation</td>