diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c
index d43efdc12751975b535651d51093931699eceb56..f7794306b2bd20a0dc2e1d1c9aec72e559bd4b8c 100644
--- a/fs/ocfs2/dlmglue.c
+++ b/fs/ocfs2/dlmglue.c
@@ -3356,7 +3356,7 @@ static int ocfs2_downconvert_thread_should_wake(struct ocfs2_super *osb)
 	return should_wake;
 }
 
-int ocfs2_downconvert_thread(void *arg)
+static int ocfs2_downconvert_thread(void *arg)
 {
 	int status = 0;
 	struct ocfs2_super *osb = arg;