1 files changed, 1 insertions, 0 deletions
diff --git a/hal.h b/hal.h
index bf5ca6f..f3b59ad 100644
--- a/hal.h
+++ b/hal.h
@@ -125,6 +125,7 @@
   DEFINE_HAL_ERROR(HAL_ERROR_PIN_INCORRECT,             "PIN incorrect")                                \
   DEFINE_HAL_ERROR(HAL_ERROR_NO_CLIENT_SLOTS_AVAILABLE, "No client slots available")                    \
   DEFINE_HAL_ERROR(HAL_ERROR_FORBIDDEN,                 "Forbidden")                                    \
+  DEFINE_HAL_ERROR(HAL_ERROR_RPC_TRANSPORT,             "RPC transport error")                          \
   END_OF_HAL_ERROR_LIST
 
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