diff --git a/ssh2userauth.c b/ssh2userauth.c
index 7ef18650..e7142683 100644
--- a/ssh2userauth.c
+++ b/ssh2userauth.c
@@ -1310,6 +1310,8 @@ static void ssh2_userauth_process_queue(PacketProtocolLayer *ppl)
                     } else {
                         s->cur_prompt->instr_reqd = false;
                     }
+                    if (sb->len)
+                        s->cur_prompt->instruction = strbuf_to_str(sb);
 
                     /*
                      * Our prompts_t is fully constructed now. Get the