diff --git a/sys/nfsclient/nfs_krpc.c b/sys/nfsclient/nfs_krpc.c
index 171f7aab0c81..c2406d96574b 100644
--- a/sys/nfsclient/nfs_krpc.c
+++ b/sys/nfsclient/nfs_krpc.c
@@ -540,6 +540,11 @@ nfs_request(struct vnode *vp, struct mbuf *mreq, int procnum,
 				    hz);
 			goto tryagain;
 		}
+		/*
+		 * Make sure NFSERR_RETERR isn't bogusly set by a server
+		 * such as amd. (No actual NFS error has bit 31 set.)
+		 */
+		error &= ~NFSERR_RETERR;
 
 		/*
 		 * If the File Handle was stale, invalidate the lookup