diff --git a/src/lib/direct.c b/src/lib/direct.c
index 00e9af879..cea1247af 100644
--- a/src/lib/direct.c
+++ b/src/lib/direct.c
@@ -1025,6 +1025,8 @@ char* ncdirect_readline(ncdirect* n, const char* prompt){
       wpos = 1;
     }else if(id == 'e' && ni.ctrl){
       wpos = wused - 1;
+    }else if(nckey_supppuab_p(ni.id)){
+      continue;
     }else{
       if(wspace - 1 < wused){
         wspace += BUFSIZ;