diff --git a/include/core/factor/factor_block_absolute.h b/include/core/factor/factor_block_absolute.h
index b6fbaced76b9a47f34ee4fe27c29cc18a93b74e3..8d0ea9773fa8cbe4ee8bca3658c610aea063d9e7 100644
--- a/include/core/factor/factor_block_absolute.h
+++ b/include/core/factor/factor_block_absolute.h
@@ -64,7 +64,7 @@ class FactorBlockAbsolute : public FactorAnalytic
             FactorAnalytic("FactorBlockAbsolute",
                            TOP_ABS,
                            _feature_ptr,
-                           nullptr,
+                           nullptr,// FIXME: ask for NodeStateBlocks pointer
                            nullptr,
                            nullptr,
                            nullptr,