diff --git a/java/config/config.go b/java/config/config.go
index 75176c9..b5e574e 100644
--- a/java/config/config.go
+++ b/java/config/config.go
@@ -83,6 +83,8 @@
 	pctx.SourcePathVariable("Ziptime", "prebuilts/build-tools/${hostPrebuiltTag}/bin/ziptime")
 
 	pctx.SourcePathVariable("ExtractSrcJarsCmd", "build/soong/scripts/extract-srcjars.sh")
+	pctx.SourcePathVariable("GenKotlinBuildFileCmd", "build/soong/scripts/gen-kotlin-build-file.sh")
+
 	pctx.SourcePathVariable("JarArgsCmd", "build/soong/scripts/jar-args.sh")
 	pctx.HostBinToolVariable("SoongZipCmd", "soong_zip")
 	pctx.HostBinToolVariable("MergeZipsCmd", "merge_zips")