diff --git a/src/afs/afs_nfsdisp.c b/src/afs/afs_nfsdisp.c
index ad7e73adb6..e4fbf9166e 100644
--- a/src/afs/afs_nfsdisp.c
+++ b/src/afs/afs_nfsdisp.c
@@ -678,7 +678,11 @@ nfs3_to_afs_call(int which, caddr_t *args, nfs_fh3 **fhpp, nfs_fh3 **fh2pp)
     case NFSPROC3_LOOKUP:
     {
 	LOOKUP3args *arg = (LOOKUP3args *)args;
+#ifdef AFS_SUN58_ENV
 	fhp1 = (nfs_fh3 *) arg->what.dirp;
+#else
+	fhp1 = (nfs_fh3 *) &arg->what.dir;
+#endif
 	break;
     }
     case NFSPROC3_ACCESS: