diff --git a/lgtm.yml b/lgtm.yml
index 6481c55a72..f2d2cd4f17 100644
--- a/lgtm.yml
+++ b/lgtm.yml
@@ -9,6 +9,7 @@ path_classifiers:
   - "src/zipios++/"
   - "src/3rdParty/"
   - "src/Mod/Import/App/SCL"
+  - "src/CXX/"
   template:
   - "src/Tools/examplePy2wiki.py"
   unmaintained:
@@ -71,4 +72,4 @@ extraction:
       command: "cmake ./ -DPYTHON_EXECUTABLE=/usr/bin/python3 -DBUILD_GUI=OFF -DBUILD_ARCH=OFF\
         \ -DBUILD_DRAWING=OFF -DBUILD_IMAGE=OFF -DBUILD_INSPECTION=OFF -DBUILD_OPENSCAD=OFF\
         \ -DBUILD_RAYTRACING=OFF -DBUILD_REVERSEENGINEERING=OFF -DBUILD_SURFACE=OFF -DBUILD_START=OFF\
-        \ -DBUILD_ROBOT=OFF -DBUILD_PATH=OFF -DBUILD_FEM=OFF"
\ No newline at end of file
+        \ -DBUILD_ROBOT=OFF -DBUILD_PATH=OFF -DBUILD_FEM=OFF"