diff --git a/audit.c b/audit.c
index df33c8105..e2d48b98c 100644
--- a/audit.c
+++ b/audit.c
@@ -32,6 +32,7 @@
 # include <varargs.h>
 #endif
 
+#include "compat.h"
 #include "logging.h"
 
 #ifdef HAVE_BSM_AUDIT