diff --git a/ldap2dns.c b/ldap2dns.c
index 8600a8d..9fd21a6 100644
--- a/ldap2dns.c
+++ b/ldap2dns.c
@@ -14,6 +14,7 @@
 #include <assert.h>
 #include <unistd.h>
 #include <getopt.h>
+#include <sys/stat.h>
 #include <sys/types.h>
 
 #define UPDATE_INTERVAL 59