diff --git a/ruby.c b/ruby.c
index 0476135d34..48391b6945 100644
--- a/ruby.c
+++ b/ruby.c
@@ -238,7 +238,7 @@ cmdline_options_init(ruby_cmdline_options_t *opt)
     opt->features.set |= FEATURE_BIT(yjit);
 #endif
 
-    if(getenv("RUBY_YJIT_ENABLE")) {
+    if (getenv("RUBY_YJIT_ENABLE")) {
         opt->features.set |= FEATURE_BIT(yjit);
     }