diff --git a/include/types/stick_table.h b/include/types/stick_table.h
index fba6e24..a1bfc1a 100644
--- a/include/types/stick_table.h
+++ b/include/types/stick_table.h
@@ -43,6 +43,7 @@
 /* The types of extra data we can store in a stick table */
 enum {
 	STKTABLE_DT_SERVER_ID,    /* the server ID to use with this session if > 0 */
+	STKTABLE_DT_GPC0,         /* General Purpose Counter 0 (unsigned 32-bit integer) */
 	STKTABLE_DT_CONN_CNT,     /* cumulated number of connections */
 	STKTABLE_DT_CONN_RATE,    /* incoming connection rate */
 	STKTABLE_DT_CONN_CUR,     /* concurrent number of connections */
@@ -65,6 +66,7 @@
 /* stick_table extra data. This is mainly used for casting or size computation */
 union stktable_data {
 	int server_id;
+	unsigned int gpc0;
 	unsigned int conn_cnt;
 	struct freq_ctr_period conn_rate;
 	unsigned int conn_cur;