diff --git a/src/conf.c b/src/conf.c
index 0d164a6..b7c8da4 100644
--- a/src/conf.c
+++ b/src/conf.c
@@ -23,6 +23,7 @@
  * add new directives to.  Who knows if I'm right though.
  */
 
+#include "common.h"
 #include "conf.h"
 
 #include "acl.h"