diff --git a/buildconfig/CMake/PylintSetup.cmake b/buildconfig/CMake/PylintSetup.cmake
index a83e20ff094e59e3a171bd0f85a12a4b0007cd2f..fda959056926555585a1e69bf8dd59578befa888 100644
--- a/buildconfig/CMake/PylintSetup.cmake
+++ b/buildconfig/CMake/PylintSetup.cmake
@@ -34,6 +34,7 @@ if ( PYLINT_FOUND )
         scripts
         Testing/SystemTests/tests/analysis
         tools
+        docs/sphinxext/mantiddoc
   )
   set ( PYLINT_EXCLUDES
         scripts/lib1to2