diff --git a/ports/servo/Cargo.toml b/ports/servo/Cargo.toml
index 32e5e8433f6..63803a90f58 100644
--- a/ports/servo/Cargo.toml
+++ b/ports/servo/Cargo.toml
@@ -29,7 +29,8 @@ servo_remutex_tests = {path = "../../tests/unit/servo_remutex"}
 style_tests = {path = "../../tests/unit/style"}
 
 [features]
-default = ["webdriver", "max_log_level", "unstable"]
+default = ["unstable", "default-except-unstable"]
+default-except-unstable = ["webdriver", "max_log_level"]
 max_log_level = ["log/release_max_level_info"]
 webdriver = ["libservo/webdriver_server"]
 energy-profiling = ["libservo/energy-profiling"]