diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h
index 6e33386..09c041e 100644
--- a/include/scsi/libiscsi.h
+++ b/include/scsi/libiscsi.h
@@ -427,6 +427,7 @@
  */
 extern void iscsi_pool_free(struct iscsi_pool *);
 extern int iscsi_pool_init(struct iscsi_pool *, int, void ***, int);
+extern int iscsi_switch_str_param(char **, char *);
 
 /*
  * inline functions to deal with padding.