diff --git a/java/config/config.go b/java/config/config.go
index f418ee7..1c55961 100644
--- a/java/config/config.go
+++ b/java/config/config.go
@@ -88,10 +88,10 @@
 	})
 	pctx.VariableFunc("JlinkVersion", func(ctx android.PackageVarContext) string {
 		switch ctx.Config().Getenv("EXPERIMENTAL_USE_OPENJDK11_TOOLCHAIN") {
-		case "true":
-			return "11"
-		default:
+		case "false":
 			return "9"
+		default:
+			return "11"
 		}
 	})