diff --git a/CMakeLists.txt b/CMakeLists.txt
index ebdd4c8bd..d76f67e0c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -86,6 +86,7 @@ find_package(ZLIB REQUIRED)
 
 add_definitions(-DQT_USE_FAST_CONCATENATION -DQT_USE_FAST_OPERATOR_PLUS)
 add_definitions(-DTRANSLATION_DOMAIN="okular")
+add_definitions(-DQT_NO_URL_CAST_FROM_STRING)
 
 include_directories(${CMAKE_CURRENT_SOURCE_DIR} ${PHONON_INCLUDES} core/synctex ${ZLIB_INCLUDE_DIR} ${CMAKE_BINARY_DIR}/core)
 
diff --git a/generators/chm/generator_chm.cpp b/generators/chm/generator_chm.cpp
index 4913f46f3..ada9b3d53 100644
--- a/generators/chm/generator_chm.cpp
+++ b/generators/chm/generator_chm.cpp
@@ -102,8 +102,8 @@ bool CHMGenerator::loadDocument( const QString & fileName, QVector< Okular::Page
     // fill m_urlPage and m_pageUrl
     QList<QUrl> pageList;
     m_file->enumerateFiles(pageList);
-    const QString home = m_file->homeUrl().toString();
-    if (home != QLatin1String("/"))
+    const QUrl home = m_file->homeUrl();
+    if (home.path() != QLatin1String("/"))
         pageList.prepend(home);
     m_pageUrl.resize(pageNum);