diff --git a/addons/account/i18n/account.pot b/addons/account/i18n/account.pot
index 8e79d5ad58a..99222322b9e 100644
--- a/addons/account/i18n/account.pot
+++ b/addons/account/i18n/account.pot
@@ -11824,6 +11824,13 @@ msgid ""
 "don't have email address."
 msgstr ""
 
+#. module: account
+#: code:addons/account/models/account_reconcile_model.py:0
+#, python-format
+msgid ""
+"The following regular expression is invalid to create a partner mapping: %s"
+msgstr ""
+
 #. module: account
 #: code:addons/account/models/chart_template.py:0
 #, python-format
diff --git a/addons/account/models/account_reconcile_model.py b/addons/account/models/account_reconcile_model.py
index 757702a1612..852ffc3851e 100644
--- a/addons/account/models/account_reconcile_model.py
+++ b/addons/account/models/account_reconcile_model.py
@@ -24,7 +24,15 @@ class AccountReconcileModelPartnerMapping(models.Model):
         for record in self:
             if not (record.narration_regex or record.payment_ref_regex):
                 raise ValidationError(_("Please set at least one of the match texts to create a partner mapping."))
-
+            try:
+                if record.payment_ref_regex:
+                    current_regex = record.payment_ref_regex
+                    re.compile(record.payment_ref_regex)
+                if record.narration_regex:
+                    current_regex = record.narration_regex
+                    re.compile(record.narration_regex)
+            except re.error:
+                raise ValidationError(_("The following regular expression is invalid to create a partner mapping: %s") % current_regex)
 
 class AccountReconcileModelLine(models.Model):
     _name = 'account.reconcile.model.line'