diff --git a/apex/apex.go b/apex/apex.go
index 57fc650..780a530 100644
--- a/apex/apex.go
+++ b/apex/apex.go
@@ -726,6 +726,7 @@
 	android.RegisterModuleType("apex_defaults", defaultsFactory)
 	android.RegisterModuleType("prebuilt_apex", PrebuiltFactory)
 	android.RegisterModuleType("override_apex", overrideApexFactory)
+	android.RegisterModuleType("apex_set", apexSetFactory)
 
 	android.PreDepsMutators(RegisterPreDepsMutators)
 	android.PostDepsMutators(RegisterPostDepsMutators)