diff --git a/components/style/Cargo.toml b/components/style/Cargo.toml
index ed6e76907fd..4d5f3e2e94d 100644
--- a/components/style/Cargo.toml
+++ b/components/style/Cargo.toml
@@ -80,7 +80,7 @@ void = "1.0.2"
 [build-dependencies]
 lazy_static = "1"
 log = "0.4"
-bindgen = { version = "0.49", optional = true, default-features = false }
+bindgen = {version = "0.49", optional = true, default-features = false}
 regex = {version = "1.1", optional = true}
 walkdir = "2.1.4"
 toml = {version = "0.4.5", optional = true, default-features = false}