diff --git a/Projects/AthSimulation/package_filters.txt b/Projects/AthSimulation/package_filters.txt
index 834fdea2fcf267e8e5fddac5fe34a0b14e95a1a1..f872045ef9b8d3c820a53513c7338db4e2888cf0 100644
--- a/Projects/AthSimulation/package_filters.txt
+++ b/Projects/AthSimulation/package_filters.txt
@@ -162,6 +162,7 @@
 + External/AtlasPyFwdBwdPorts
 + External/CheckerGccPlugins
 + External/pyAMI
++ Generators/GenInterfaces
 + Generators/GeneratorObjects
 + Generators/GeneratorObjectsAthenaPool
 + Generators/GeneratorObjectsTPCnv