diff --git a/Projects/AthSimulation/package_filters.txt b/Projects/AthSimulation/package_filters.txt
index 85846f71236ddb722789797a4a8ffe539b23d97f..b2845c79d51d988af6ca07e3322efccf12da27f8 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