diff --git a/zaqar/transport/wsgi/v1_1/messages.py b/zaqar/transport/wsgi/v1_1/messages.py
index 5782ac973..3d742ade8 100644
--- a/zaqar/transport/wsgi/v1_1/messages.py
+++ b/zaqar/transport/wsgi/v1_1/messages.py
@@ -111,9 +111,9 @@ class CollectionResource(object):
             LOG.debug(ex)
             raise wsgi_errors.HTTPBadRequestAPI(six.text_type(ex))
 
-        except storage_errors.DoesNotExist as ex:
+        except storage_errors.QueueDoesNotExist as ex:
             LOG.debug(ex)
-            raise falcon.HTTPNotFound()
+            messages = None
 
         except Exception as ex:
             LOG.exception(ex)
diff --git a/zaqar/transport/wsgi/v2_0/messages.py b/zaqar/transport/wsgi/v2_0/messages.py
index 5782ac973..3d742ade8 100644
--- a/zaqar/transport/wsgi/v2_0/messages.py
+++ b/zaqar/transport/wsgi/v2_0/messages.py
@@ -111,9 +111,9 @@ class CollectionResource(object):
             LOG.debug(ex)
             raise wsgi_errors.HTTPBadRequestAPI(six.text_type(ex))
 
-        except storage_errors.DoesNotExist as ex:
+        except storage_errors.QueueDoesNotExist as ex:
             LOG.debug(ex)
-            raise falcon.HTTPNotFound()
+            messages = None
 
         except Exception as ex:
             LOG.exception(ex)