diff --git a/frost_sta_client/__version__.py b/frost_sta_client/__version__.py
index 2e4897b..951404e 100644
--- a/frost_sta_client/__version__.py
+++ b/frost_sta_client/__version__.py
@@ -1,5 +1,5 @@
 __title__ = 'frost_sta_client'
-__version__ = '1.1.44'
+__version__ = '1.1.45'
 __license__ = 'LGPL3'
 __author__ = 'Jonathan Vogl'
 __copyright__ = 'Fraunhofer IOSB'
diff --git a/frost_sta_client/service/sensorthingsservice.py b/frost_sta_client/service/sensorthingsservice.py
index 3edd183..cb68e32 100644
--- a/frost_sta_client/service/sensorthingsservice.py
+++ b/frost_sta_client/service/sensorthingsservice.py
@@ -90,7 +90,8 @@ def get_path(self, parent, relation):
         if parent is None:
             return relation
         this_entity_type = entity_type.get_list_for_class(type(parent))
-        return "{entity_type}({id})/{relation}".format(entity_type=this_entity_type, id=parent.id, relation=relation)
+        _id = f"'{parent.id}'" if isinstance(parent.id, str) else parent.id
+        return "{entity_type}({id})/{relation}".format(entity_type=this_entity_type, id=_id, relation=relation)
 
     def get_full_path(self, parent, relation):
         slash = "" if self.url.pathstr[-1] == '/' else "/"