diff --git a/server/src/chat/commands/loc.rs b/server/src/chat/commands/loc.rs
index 176eb142..8eec1ff9 100644
--- a/server/src/chat/commands/loc.rs
+++ b/server/src/chat/commands/loc.rs
@@ -337,6 +337,42 @@ mod tests {
         );
     }
 
+    #[test]
+    fn loc_skips_target_directory() {
+        use std::io::Write as _;
+        let dir = tempfile::tempdir().expect("tempdir");
+        // Create a target/ subdirectory with a .rs file — it must NOT appear.
+        let target_dir = dir.path().join("target");
+        std::fs::create_dir(&target_dir).unwrap();
+        let hidden = target_dir.join("huge_generated.rs");
+        {
+            let mut f = std::fs::File::create(&hidden).unwrap();
+            for i in 0..1000 {
+                writeln!(f, "fn generated_{i}() {{}}").unwrap();
+            }
+        }
+        // Real source file at the root — must appear.
+        let source = dir.path().join("lib.rs");
+        {
+            let mut f = std::fs::File::create(&source).unwrap();
+            for i in 0..5 {
+                writeln!(f, "fn f{i}() {{}}").unwrap();
+            }
+        }
+        let agents = Arc::new(AgentPool::new_test(3000));
+        let ambient_rooms = Arc::new(Mutex::new(HashSet::new()));
+        let ctx = make_ctx(&agents, &ambient_rooms, dir.path(), "50");
+        let output = handle_loc(&ctx).unwrap();
+        assert!(
+            !output.contains("target/"),
+            "output must not include files under target/: {output}"
+        );
+        assert!(
+            output.contains("lib.rs"),
+            "lib.rs should appear in loc output: {output}"
+        );
+    }
+
     #[test]
     fn loc_excludes_lockfiles_from_results() {
         use std::io::Write as _;