diff --git a/src/or/hs_cell.c b/src/or/hs_cell.c
index 03273a44f9..ba80653a73 100644
--- a/src/or/hs_cell.c
+++ b/src/or/hs_cell.c
@@ -881,9 +881,9 @@ hs_cell_parse_introduce_ack(const uint8_t *payload, size_t payload_len)
    * do a special case. */
   if (payload_len <= 1) {
     if (payload_len == 0) {
-      ret = HS_CELL_INTRO_ACK_SUCCESS;
+      ret = TRUNNEL_HS_INTRO_ACK_STATUS_SUCCESS;
     } else {
-      ret = HS_CELL_INTRO_ACK_FAILURE;
+      ret = TRUNNEL_HS_INTRO_ACK_STATUS_UNKNOWN_ID;
     }
     goto end;
   }
diff --git a/src/or/hs_cell.h b/src/or/hs_cell.h
index 958dde4ffc..ed4af3c5af 100644
--- a/src/or/hs_cell.h
+++ b/src/or/hs_cell.h
@@ -16,14 +16,6 @@
  * 3.2.2 of the specification). Below this value, the cell must be padded. */
 #define HS_CELL_INTRODUCE1_MIN_SIZE 246
 
-/* Status code of an INTRODUCE_ACK cell. */
-typedef enum {
-  HS_CELL_INTRO_ACK_SUCCESS = 0x0000, /* Cell relayed to service. */
-  HS_CELL_INTRO_ACK_FAILURE = 0x0001, /* Service ID not recognized */
-  HS_CELL_INTRO_ACK_BADFMT  = 0x0002, /* Bad message format */
-  HS_CELL_INTRO_ACK_NORELAY = 0x0003, /* Can't relay cell to service */
-} hs_cell_introd_ack_status_t;
-
 /* Onion key type found in the INTRODUCE1 cell. */
 typedef enum {
   HS_CELL_ONION_KEY_TYPE_NTOR = 1,
diff --git a/src/or/hs_client.c b/src/or/hs_client.c
index 8ecefc1209..7d44952e4d 100644
--- a/src/or/hs_client.c
+++ b/src/or/hs_client.c
@@ -35,6 +35,8 @@
 #include "router.h"
 #include "routerset.h"
 
+#include "trunnel/hs/cell_introduce1.h"
+
 /* Return a human-readable string for the client fetch status code. */
 static const char *
 fetch_status_to_string(hs_client_fetch_status_t status)
@@ -1018,23 +1020,21 @@ handle_introduce_ack(origin_circuit_t *circ, const uint8_t *payload,
 
   status = hs_cell_parse_introduce_ack(payload, payload_len);
   switch (status) {
-  case HS_CELL_INTRO_ACK_SUCCESS:
+  case TRUNNEL_HS_INTRO_ACK_STATUS_SUCCESS:
     ret = 0;
     handle_introduce_ack_success(circ);
     goto end;
-  case HS_CELL_INTRO_ACK_FAILURE:
-  case HS_CELL_INTRO_ACK_BADFMT:
-  case HS_CELL_INTRO_ACK_NORELAY:
+  case TRUNNEL_HS_INTRO_ACK_STATUS_UNKNOWN_ID:
+  case TRUNNEL_HS_INTRO_ACK_STATUS_BAD_FORMAT:
+  /* It is possible that the intro point can send us an unknown status code
+   * for the NACK that we do not know about like a new code for instance.
+   * Just fallthrough so we can note down the NACK and re-extend. */
+  default:
     handle_introduce_ack_bad(circ, status);
     /* We are going to see if we have to close the circuits (IP and RP) or we
      * can re-extend to a new intro point. */
     ret = close_or_reextend_intro_circ(circ);
     break;
-  default:
-    log_info(LD_PROTOCOL, "Unknown INTRODUCE_ACK status code %u from %s",
-        status,
-        safe_str_client(extend_info_describe(circ->build_state->chosen_exit)));
-    break;
   }
 
  end: