diff --git a/ui/build/dumpvars.go b/ui/build/dumpvars.go
index f3c442e..3d16073 100644
--- a/ui/build/dumpvars.go
+++ b/ui/build/dumpvars.go
@@ -261,6 +261,12 @@
 		"BUILD_BROKEN_USES_BUILD_STATIC_LIBRARY",
 	}, exportEnvVars...), BannerVars...)
 
+	// We need Roboleaf converter and runner in the mixed mode
+	runMicrofactory(ctx, config, ".bootstrap/bin/mk2rbc", "android/soong/mk2rbc/cmd",
+		map[string]string{"android/soong": "build/soong"})
+	runMicrofactory(ctx, config, ".bootstrap/bin/rbcrun", "rbcrun/cmd",
+		map[string]string{"go.starlark.net": "external/starlark-go", "rbcrun": "build/make/tools/rbcrun"})
+
 	makeVars, err := dumpMakeVars(ctx, config, config.Arguments(), allVars, true, "")
 	if err != nil {
 		ctx.Fatalln("Error dumping make vars:", err)