diff --git a/fs/afs/fs_probe.c b/fs/afs/fs_probe.c
index 237352d3cb538bbef67ee4d5cf45d27538ea3a81..37d1bba57b00c5cd48d80ab85ef9e1788912a889 100644
--- a/fs/afs/fs_probe.c
+++ b/fs/afs/fs_probe.c
@@ -32,7 +32,7 @@ void afs_fileserver_probe_result(struct afs_call *call)
 	struct afs_server *server = call->server;
 	unsigned int server_index = call->server_index;
 	unsigned int index = call->addr_ix;
-	unsigned int rtt_us;
+	unsigned int rtt_us = 0;
 	bool have_result = false;
 	int ret = call->error;