diff --git a/include/common/appsession.h b/include/common/appsession.h
index eb9ba2d..8fa681c 100644
--- a/include/common/appsession.h
+++ b/include/common/appsession.h
@@ -44,7 +44,7 @@
 static void print_table(const CHTbl *htbl);
 #endif
 
-int appsession_refresh(struct task *t);
+void appsession_refresh(struct task *t, struct timeval *next);
 int appsession_task_init(void);
 int appsession_init(void);
 void appsession_cleanup(void);