diff --git a/edi_oca/models/edi_backend.py b/edi_oca/models/edi_backend.py
index 00c2fe75ba1..775d33be635 100644
--- a/edi_oca/models/edi_backend.py
+++ b/edi_oca/models/edi_backend.py
@@ -453,7 +453,7 @@ def exchange_process(self, exchange_record):
         check = self._exchange_process_check(exchange_record)
         if not check:
             return False
-        state = exchange_record.edi_exchange_state
+        old_state = state = exchange_record.edi_exchange_state
         error = False
         message = None
         try:
@@ -478,7 +478,7 @@ def exchange_process(self, exchange_record):
                     "exchanged_on": fields.Datetime.now(),
                 }
             )
-            if state == "input_processed_error":
+            if state == "input_processed_error" and old_state != "input_processed_error":
                 exchange_record._notify_error("process_ko")
             elif state == "input_processed":
                 exchange_record._notify_done()