diff --git a/trytond/trytond/model/match.py b/trytond/trytond/model/match.py
index 611e0133d3..4b168828f5 100644
--- a/trytond/trytond/model/match.py
+++ b/trytond/trytond/model/match.py
@@ -9,12 +9,16 @@ class MatchMixin(object):
         '''Match on pattern
         pattern is a dictionary with model field as key
         and matching value as value'''
-        for field, pattern_value in pattern.items():
-            value = getattr(self, field)
+        for field_name, pattern_value in pattern.items():
+            value = getattr(self, field_name)
             if not match_none and value is None:
                 continue
-            if self._fields[field]._type == 'many2one':
+            field = self._fields[field_name]
+            if field._type == 'many2one':
                 value = value.id if value else value
+            elif field._type == 'boolean':
+                value = bool(value)
+                pattern_value = bool(pattern_value)
             if value != pattern_value:
                 return False
         return True