diff --git a/java/config/config.go b/java/config/config.go
index 69d6fc3..3029a5a 100644
--- a/java/config/config.go
+++ b/java/config/config.go
@@ -68,6 +68,7 @@
 	pctx.StaticVariable("MergeZipsCmd", filepath.Join("${bootstrap.ToolDir}", "merge_zips"))
 	pctx.HostBinToolVariable("DxCmd", "dx")
 	pctx.HostJavaToolVariable("JarjarCmd", "jarjar.jar")
+	pctx.HostJavaToolVariable("DesugarJar", "desugar.jar")
 
 	pctx.VariableFunc("JavacWrapper", func(config interface{}) (string, error) {
 		if override := config.(android.Config).Getenv("JAVAC_WRAPPER"); override != "" {