diff --git a/CMakeExternals/CTK.patch b/CMakeExternals/CTK.patch
index 5f6a0114fa..fa7fe5f50c 100644
--- a/CMakeExternals/CTK.patch
+++ b/CMakeExternals/CTK.patch
@@ -1,21 +1,51 @@
 diff --git a/CMakeExternals/PythonQt.cmake b/CMakeExternals/PythonQt.cmake
 index 806797b..b70005d 100644
 --- a/CMakeExternals/PythonQt.cmake
 +++ b/CMakeExternals/PythonQt.cmake
 @@ -33,7 +33,7 @@ if(NOT DEFINED PYTHONQT_INSTALL_DIR)
  
    # Enable Qt libraries PythonQt wrapping if required
    if (CTK_QT_VERSION VERSION_GREATER "4")
 -    set(qtlibs Core Gui Widgets Network OpenGL PrintSupport Sql Svg UiTools WebKit WebKitWidgets Xml)
 +    set(qtlibs Core Gui Widgets Network OpenGL PrintSupport Sql Svg UiTools Xml)
    else()
      list(APPEND ep_PythonQt_args
        -DQT_QMAKE_EXECUTABLE:FILEPATH=${QT_QMAKE_EXECUTABLE}
 @@ -88,7 +88,6 @@ if(NOT DEFINED PYTHONQT_INSTALL_DIR)
      BUILD_COMMAND ""
      CMAKE_CACHE_ARGS
        ${ep_common_cache_args}
 -      -DQT_QMAKE_EXECUTABLE:FILEPATH=${QT_QMAKE_EXECUTABLE}
        -DPYTHON_INCLUDE_DIR:PATH=${PYTHON_INCLUDE_DIR}
        -DPYTHON_INCLUDE_DIR2:PATH=${PYTHON_INCLUDE_DIR2}
        -DPYTHON_LIBRARY:FILEPATH=${PYTHON_LIBRARY}
+diff --git a/Libs/Scripting/Python/Core/ctkAbstractPythonManager.cpp b/Libs/Scripting/Python/Core/ctkAbstractPythonManager.cpp
+index 9b9ec055..464cece1 100644
+--- a/Libs/Scripting/Python/Core/ctkAbstractPythonManager.cpp
++++ b/Libs/Scripting/Python/Core/ctkAbstractPythonManager.cpp
+@@ -19,6 +19,7 @@
+ =========================================================================*/
+ 
+ // Qt includes
++#include <QByteArray>
+ #include <QDir>
+ #include <QDebug>
+ 
+@@ -482,7 +483,7 @@ PyObject* ctkAbstractPythonManager::pythonObject(const QString& variableNameAndF
+           continue;
+           }
+         QString keyStr = PyString_AsString(key);
+-        if (keyStr.operator ==(compareFunction))
++        if (keyStr == compareFunction)
+           {
+           finalPythonObject = value;
+           break;
+@@ -509,7 +510,7 @@ PyObject* ctkAbstractPythonManager::pythonModule(const QString& module)
+     }
+   foreach(const QString& module, moduleList)
+     {
+-    object = PyDict_GetItemString(dict, module.toAscii().data());
++    object = PyDict_GetItemString(dict, module.toLatin1().data());
+     if (prevObject)
+       {
+       Py_DECREF(prevObject);