diff --git a/changelog.md b/changelog.md
index b6caa5050..6dd682698 100644
--- a/changelog.md
+++ b/changelog.md
@@ -2,6 +2,7 @@
 
 ## Unreleased
 <!-- Add all new changes here. They will be moved under a version at release -->
+* `FIX` Comparison crash in doc export CLI [#3111](https://github.com/LuaLS/lua-language-server/issues/3111)
 
 ## 3.16.0
 `2025-12-2`
diff --git a/script/cli/doc/export.lua b/script/cli/doc/export.lua
index cd356b167..4c1403099 100644
--- a/script/cli/doc/export.lua
+++ b/script/cli/doc/export.lua
@@ -72,11 +72,11 @@ function export.positionOf(rowcol)
 end
 
 function export.sortDoc(a,b)
-    if a.name ~= b.name then
+    if a.name and b.name and a.name ~= b.name then
         return a.name < b.name
     end
 
-    if a.file ~= b.file then
+    if a.file and b.file and a.file ~= b.file then
         return a.file < b.file
     end