diff --git a/ext/hbsdctl.rb/feature.c b/ext/hbsdctl.rb/feature.c
index 2322e17..5b0c143 100644
--- a/ext/hbsdctl.rb/feature.c
+++ b/ext/hbsdctl.rb/feature.c
@@ -62,6 +62,7 @@ bsdcontrol_feature_set(VALUE self, VALUE path, VALUE rbstate)
   }
   else
   {
+    close(fd);
     return Qtrue;
   }
 }