diff --git a/trytond/trytond/model/modelsql.py b/trytond/trytond/model/modelsql.py
index 2188ac3c28..610333fa51 100644
--- a/trytond/trytond/model/modelsql.py
+++ b/trytond/trytond/model/modelsql.py
@@ -595,11 +595,13 @@ class ModelSQL(ModelStorage):
                         gettext('ir.msg_required_validation',
                             **cls.__names__(field_name)))
         for name, constraint, error in cls._sql_constraints:
-            if (backend.TableHandler.convert_name(name) in str(exception)
-                    or (isinstance(constraint, (Unique, Exclude))
-                        and all(
-                            c.name in str(exception)
-                            for c in constraint.columns))):
+            if backend.TableHandler.convert_name(name) in str(exception):
+                raise SQLConstraintError(gettext(error))
+        for _, constraint, error in cls._sql_constraints:
+            if (isinstance(constraint, (Unique, Exclude))
+                    and all(
+                        c.name in str(exception)
+                        for c in constraint.columns)):
                 raise SQLConstraintError(gettext(error))
 
         # Check foreign key in last because this can raise false positive