diff --git a/ext/bsdcontrol.rb/extconf.rb b/ext/bsdcontrol.rb/extconf.rb
index 18fce36..72f70c6 100644
--- a/ext/bsdcontrol.rb/extconf.rb
+++ b/ext/bsdcontrol.rb/extconf.rb
@@ -1,3 +1,3 @@
 require 'mkmf'
-$LIBS << ' -lsbuf -lhbsdcontrol'
+$LIBS << ' -lhbsdcontrol'
 create_makefile("bsdcontrol.rb")