diff --git a/imio_teleservices_templatetags/templatetags/imio_teleservices.py b/imio_teleservices_templatetags/templatetags/imio_teleservices.py
index b7d6af8..f07fba8 100644
--- a/imio_teleservices_templatetags/templatetags/imio_teleservices.py
+++ b/imio_teleservices_templatetags/templatetags/imio_teleservices.py
@@ -21,8 +21,17 @@ def unlazy_date(fdate):
         return fdate
 
 
+@register.filter
+def unlazy_filter(value):
+    if isinstance(value, LazyDateObject):
+        return str(unlazy(value))
+    else:
+        return value
+
+
 @register.filter
 def clean_string(value):
+    value = unlazy_filter(value)
     return value.replace(" ", "").replace(".", "").replace("-", "")