diff --git a/sau/gentoo.py b/sau/gentoo.py
index 5168dda..fa8b55d 100644
--- a/sau/gentoo.py
+++ b/sau/gentoo.py
@@ -132,6 +132,7 @@ def is_system_package(atom, eclasses):
                 'linux-mod',
                 'kernel-install' ]
             ]):
+        log.debug(f"{name} is of system eclass (eclasses: {eclasses})")
         return True
     return False