diff --git a/Uranium-issue-319.patch b/Uranium-issue-319.patch
new file mode 100644
index 0000000..0561b2f
--- /dev/null
+++ b/Uranium-issue-319.patch
@@ -0,0 +1,52 @@
+From 4c94d254d7171d1d7df872eb2b5ea167861c6fc5 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Miro=20Hron=C4=8Dok?= <miro@hroncok.cz>
+Date: Sun, 10 Dec 2017 13:37:58 +0100
+Subject: [PATCH] Fix failing test suite after 435285e
+
+Fixes https://github.com/Ultimaker/Uranium/issues/319
+---
+ tests/Settings/ContainerTestPlugin/ContainerTestPlugin.py | 2 +-
+ tests/Settings/TestContainerRegistry.py                   | 2 +-
+ tests/Settings/TestContainerStack.py                      | 3 ++-
+ 3 files changed, 4 insertions(+), 3 deletions(-)
+
+diff --git a/tests/Settings/ContainerTestPlugin/ContainerTestPlugin.py b/tests/Settings/ContainerTestPlugin/ContainerTestPlugin.py
+index 9af8e697b..bac029a89 100644
+--- a/tests/Settings/ContainerTestPlugin/ContainerTestPlugin.py
++++ b/tests/Settings/ContainerTestPlugin/ContainerTestPlugin.py
+@@ -83,7 +83,7 @@ def serialize(self, ignored_metadata_keys=[]):
+     ##  Deserializes the container from a string representation.
+     #
+     #   This method is not implemented in the mock container.
+-    def deserialize(self, serialized):
++    def deserialize(self, serialized, file_name=None):
+         raise NotImplementedError()
+ 
+     def getConfigurationTypeFromSerialized(self, serialized):
+diff --git a/tests/Settings/TestContainerRegistry.py b/tests/Settings/TestContainerRegistry.py
+index c7b6d7b0a..8daf837ae 100644
+--- a/tests/Settings/TestContainerRegistry.py
++++ b/tests/Settings/TestContainerRegistry.py
+@@ -107,7 +107,7 @@ def serialize(self, ignored_metadata_keys = None):
+     ##  Deserializes the container from a string representation.
+     #
+     #   This method is not implemented in the mock container.
+-    def deserialize(self, serialized):
++    def deserialize(self, serialized, file_name=None):
+         raise NotImplementedError()
+ 
+     def getConfigurationTypeFromSerialized(self, serialized):
+diff --git a/tests/Settings/TestContainerStack.py b/tests/Settings/TestContainerStack.py
+index 269f74174..4c10d944a 100644
+--- a/tests/Settings/TestContainerStack.py
++++ b/tests/Settings/TestContainerStack.py
+@@ -106,7 +106,8 @@ def serialize(self, ignored_metadata_keys = None):
+     #   creates different instances (which is desired).
+     #
+     #   \param serialized A serialised mock container.
+-    def deserialize(self, serialized):
++    #   \param file_name Unused param to match actual signatures.
++    def deserialize(self, serialized, file_name=None):
+         self._id = int(serialized)
+ 
+     def getConfigurationTypeFromSerialized(self, serialized):