diff --git a/sys/fs/pseudofs/pseudofs_vnops.c b/sys/fs/pseudofs/pseudofs_vnops.c
index aff724a7483d..be992b5fde2f 100644
--- a/sys/fs/pseudofs/pseudofs_vnops.c
+++ b/sys/fs/pseudofs/pseudofs_vnops.c
@@ -834,7 +834,7 @@ pfs_readdir(struct vop_readdir_args *va)
 		free(pfsent, M_IOV);
 		i++;
 	}
-	PFS_TRACE(("%zd bytes", i * PFS_DELEN));
+	PFS_TRACE(("%d bytes", i * PFS_DELEN));
 	PFS_RETURN (error);
 }