diff --git a/src/collective/solr/mangler.py b/src/collective/solr/mangler.py
index bc24c77..ee6f2c3 100644
--- a/src/collective/solr/mangler.py
+++ b/src/collective/solr/mangler.py
@@ -14,6 +14,7 @@ ranges = {
     'min': '[%s TO *]',
     'max': '[* TO %s]',
     'min:max': '[%s TO %s]',
+    'minmax': '[%s TO %s]',
 }
 
 sort_aliases = {