diff --git a/include/common/cfgparse.h b/include/common/cfgparse.h
index d785327..6dc6ad5 100644
--- a/include/common/cfgparse.h
+++ b/include/common/cfgparse.h
@@ -75,6 +75,7 @@
                          int (*section_parser)(const char *, int, char **, int));
 void cfg_unregister_sections(void);
 int warnif_misplaced_tcp_conn(struct proxy *proxy, const char *file, int line, const char *arg);
+int warnif_misplaced_tcp_sess(struct proxy *proxy, const char *file, int line, const char *arg);
 int warnif_misplaced_tcp_cont(struct proxy *proxy, const char *file, int line, const char *arg);
 
 /*