diff --git a/alpine/packages/transfused/transfused_perfstat.c b/alpine/packages/transfused/transfused_perfstat.c
index 972331e0e..ff505445e 100644
--- a/alpine/packages/transfused/transfused_perfstat.c
+++ b/alpine/packages/transfused/transfused_perfstat.c
@@ -165,6 +165,7 @@ void *stop_perfstat(parameters_t *params, char *req, size_t len)
 	*((uint64_t *) (reply + 8)) = now(params);
 
 	copy_and_free_perfstats(conn->perfstats, reply + 16);
+	conn->perfstats = NULL;
 
 	unlock("perfstat lock: stop_perfstat", &conn->perfstat_lock);