diff --git a/cmd/soong_build/main.go b/cmd/soong_build/main.go
index 83205ba..d17fbed 100644
--- a/cmd/soong_build/main.go
+++ b/cmd/soong_build/main.go
@@ -67,6 +67,7 @@
 	ctx.RegisterModuleType("java_binary", java.JavaBinaryFactory)
 	ctx.RegisterModuleType("java_binary_host", java.JavaBinaryHostFactory)
 	ctx.RegisterModuleType("prebuilt_java_library", java.JavaPrebuiltFactory)
+	ctx.RegisterModuleType("prebuilt_sdk", java.SdkPrebuiltFactory)
 
 	// Mutators
 	ctx.RegisterEarlyMutator("arch", common.ArchMutator)