diff --git a/include/types/stream.h b/include/types/stream.h
index feeb56b..87bdf46 100644
--- a/include/types/stream.h
+++ b/include/types/stream.h
@@ -162,6 +162,7 @@
 	void (*srv_error)(struct stream *s,     /* the function to call upon unrecoverable server errors (or NULL) */
 			  struct stream_interface *si);
 
+	int pcli_next_pid;                      /* next target PID to use for the CLI proxy */
 	char *unique_id;                        /* custom unique ID */
 
 	/* These two pointers are used to resume the execution of the rule lists. */