diff --git a/include/libnetfilter_acct/libnetfilter_acct.h b/include/libnetfilter_acct/libnetfilter_acct.h
index a326c3c..48fe8f4 100644
--- a/include/libnetfilter_acct/libnetfilter_acct.h
+++ b/include/libnetfilter_acct/libnetfilter_acct.h
@@ -2,6 +2,7 @@
 #define _LIBNETFILTER_ACCT_H_
 
 #include <sys/types.h>
+#include <inttypes.h>
 #include <linux/netfilter/nfnetlink_acct.h>
 
 struct nfacct;