diff --git a/src/client.h b/src/client.h
index b71079adf3af426fdc63a41925dc823d5b7e8b6a..a42d2c6162501e9202059227cf906575b33b109b 100644
--- a/src/client.h
+++ b/src/client.h
@@ -32,6 +32,7 @@
 #define VERSIONFILE "conf/version"
 #define COLLECTDATAFILE "../data/collect-data.xml"
 #define UPDATEOPTION "--update"
+#define INVENTORYOPTION "--inventory"
 #define DEBUG 0
 
 /* Statics strings */