diff --git a/include/sigar.h b/include/sigar.h
index 74d242f0..98a9911f 100644
--- a/include/sigar.h
+++ b/include/sigar.h
@@ -488,6 +488,7 @@ typedef struct {
     sigar_uid_t uid;
     unsigned long inode;
     int type;
+    int state;
 } sigar_net_connection_t;
 
 typedef struct {