diff --git a/src/client.h b/src/client.h
index 9a7cf2ecc669a186ed6533c1e26cb9d77dd4e39c..8a2937204711c0b70cb1ef059f750ae734ef176f 100644
--- a/src/client.h
+++ b/src/client.h
@@ -35,6 +35,8 @@
 #define COLLECTDATAFILE "../data/collect-data.xml"
 #define UPDATEOPTION "update"
 #define INVENTORYOPTION "inventory"
+/* Network interface bind error */
+#define NIC_ERROR 50
 /* 5 minutes before timeout */
 #define TIMEOUT 300
 // Print ERROR messages