diff --git a/.lgtm.yml b/.lgtm.yml
index 4cf81f4110bad..50cd0bf41d4cd 100644
--- a/.lgtm.yml
+++ b/.lgtm.yml
@@ -1,3 +1,11 @@
+extraction:
+  cpp:
+    prepare:
+      packages:
+      - "libncurses-dev"
+    index:
+      build_command: "make RELEASE=1 cataclysm -j2"
+
 # Disable FIXME query, in DDA it is as likely to be a future feature as a bug.
 queries:
     - exclude: cpp/fixme-comment