diff --git a/CMakeLists.txt b/CMakeLists.txt
index d36898400..f6014dff6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -689,7 +689,10 @@ if (APPLE)
     set(CPACK_PACKAGE_VERSION_MINOR ${OPENMW_VERSION_MINO})
     set(CPACK_PACKAGE_VERSION_PATCH ${OPENMW_VERSION_RELEASE})
 
-    set(APPS "\${CMAKE_INSTALL_PREFIX}/${INSTALL_SUBDIR}/${APP_BUNDLE_NAME}")
+    set(OPENMW_APP "\${CMAKE_INSTALL_PREFIX}/${INSTALL_SUBDIR}/${APP_BUNDLE_NAME}")
+
+    set(OPENCS_APP "\${CMAKE_INSTALL_PREFIX}/${INSTALL_SUBDIR}/OpenCS.app")
+
     set(PLUGINS "")
     set(ABSOLUTE_PLUGINS "")
 
@@ -750,7 +753,8 @@ if (APPLE)
         cmake_policy(SET CMP0009 OLD)
         set(BU_CHMOD_BUNDLE_ITEMS ON)
         include(BundleUtilities)
-        fixup_bundle(\"${APPS}\" \"${PLUGINS}\" \"${DIRS}\")
+        fixup_bundle(\"${OPENMW_APP}\" \"${PLUGINS}\" \"${DIRS}\")
+        fixup_bundle(\"${OPENCS_APP}\" \"\" \"${DIRS}\")
         " COMPONENT Runtime)
         include(CPack)
 endif (APPLE)
diff --git a/apps/launcher/graphicspage.cpp b/apps/launcher/graphicspage.cpp
index 5df2d364c..8abdf0019 100644
--- a/apps/launcher/graphicspage.cpp
+++ b/apps/launcher/graphicspage.cpp
@@ -4,10 +4,12 @@
 #include <QMessageBox>
 #include <QDir>
 
-#ifdef __APPLE__
+#ifdef MAC_OS_X_VERSION_MIN_REQUIRED
+#undef MAC_OS_X_VERSION_MIN_REQUIRED
 // We need to do this because of Qt: https://bugreports.qt-project.org/browse/QTBUG-22154
 #define MAC_OS_X_VERSION_MIN_REQUIRED __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__
-#endif
+#endif // MAC_OS_X_VERSION_MIN_REQUIRED
+
 #include <SDL.h>
 
 #include <boost/math/common_factor.hpp>
diff --git a/apps/launcher/main.cpp b/apps/launcher/main.cpp
index eb8ad8507..156bbf65b 100644
--- a/apps/launcher/main.cpp
+++ b/apps/launcher/main.cpp
@@ -3,10 +3,12 @@
 #include <QDir>
 #include <QDebug>
 
-#ifdef __APPLE__
+#ifdef MAC_OS_X_VERSION_MIN_REQUIRED
+#undef MAC_OS_X_VERSION_MIN_REQUIRED
 // We need to do this because of Qt: https://bugreports.qt-project.org/browse/QTBUG-22154
 #define MAC_OS_X_VERSION_MIN_REQUIRED __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__
-#endif
+#endif // MAC_OS_X_VERSION_MIN_REQUIRED
+
 #include <SDL.h>
 
 #include "maindialog.hpp"
diff --git a/apps/opencs/CMakeLists.txt b/apps/opencs/CMakeLists.txt
index ec1ecb65e..1197e2014 100644
--- a/apps/opencs/CMakeLists.txt
+++ b/apps/opencs/CMakeLists.txt
@@ -152,13 +152,36 @@ qt4_add_resources(OPENCS_RES_SRC ${OPENCS_RES})
 
 include_directories(${CMAKE_CURRENT_BINARY_DIR})
 
+if(APPLE)
+    set (OPENCS_MAC_ICON ${CMAKE_SOURCE_DIR}/files/mac/opencs.icns)
+else()
+    set (OPENCS_MAC_ICON "")
+endif(APPLE)
+
 add_executable(opencs
+    MACOSX_BUNDLE
     ${OPENCS_SRC}
     ${OPENCS_UI_HDR}
     ${OPENCS_MOC_SRC}
     ${OPENCS_RES_SRC}
+    ${OPENCS_MAC_ICON}
 )
 
+if(APPLE)
+    set_target_properties(opencs PROPERTIES
+        RUNTIME_OUTPUT_DIRECTORY "${OpenMW_BINARY_DIR}"
+        OUTPUT_NAME "OpenCS"
+        MACOSX_BUNDLE_ICON_FILE "opencs.icns"
+        MACOSX_BUNDLE_BUNDLE_NAME "OpenCS"
+        MACOSX_BUNDLE_GUI_IDENTIFIER "org.openmw.opencs"
+        MACOSX_BUNDLE_SHORT_VERSION_STRING ${OPENMW_VERSION}
+        MACOSX_BUNDLE_BUNDLE_VERSION ${OPENMW_VERSION}
+        )
+
+    set_source_files_properties(${OPENCS_MAC_ICON} PROPERTIES
+        MACOSX_PACKAGE_LOCATION Resources)
+endif(APPLE)
+
 target_link_libraries(opencs
     ${Boost_LIBRARIES}
     ${QT_LIBRARIES}
@@ -169,3 +192,6 @@ if(DPKG_PROGRAM)
     INSTALL(TARGETS opencs RUNTIME DESTINATION games COMPONENT opencs)
 endif()
 
+if(APPLE)
+    INSTALL(TARGETS opencs BUNDLE DESTINATION OpenMW COMPONENT BUNDLE)
+endif()
diff --git a/apps/opencs/main.cpp b/apps/opencs/main.cpp
index 449dd229e..341bdc780 100644
--- a/apps/opencs/main.cpp
+++ b/apps/opencs/main.cpp
@@ -9,6 +9,10 @@
 
 #include <components/ogreinit/ogreinit.hpp>
 
+#ifdef Q_OS_MAC
+#include <QDir>
+#endif
+
 class Application : public QApplication
 {
     private:
@@ -43,6 +47,25 @@ int main(int argc, char *argv[])
 
     Application mApplication (argc, argv);
 
+#ifdef Q_OS_MAC
+    QDir dir(QCoreApplication::applicationDirPath());
+    if (dir.dirName() == "MacOS") {
+        dir.cdUp();
+        dir.cdUp();
+        dir.cdUp();
+    }
+    QDir::setCurrent(dir.absolutePath());
+
+    // force Qt to load only LOCAL plugins, don't touch system Qt installation
+    QDir pluginsPath(QCoreApplication::applicationDirPath());
+    pluginsPath.cdUp();
+    pluginsPath.cd("Plugins");
+
+    QStringList libraryPaths;
+    libraryPaths << pluginsPath.path() << QCoreApplication::applicationDirPath();
+    mApplication.setLibraryPaths(libraryPaths);
+#endif
+
     mApplication.setWindowIcon (QIcon (":./opencs.png"));
 
     CS::Editor editor;
diff --git a/apps/opencs/model/doc/document.cpp b/apps/opencs/model/doc/document.cpp
index 590a19439..27f4f498a 100644
--- a/apps/opencs/model/doc/document.cpp
+++ b/apps/opencs/model/doc/document.cpp
@@ -2245,29 +2245,39 @@ CSMDoc::Document::Document (const Files::ConfigurationManager& configuration, co
         mData.setDescription ("");
         mData.setAuthor ("");
     }
-/// \todo un-outcomment the else, once loading an existing content file works properly again.
+
+    bool filtersFound = false;
+
+    if (boost::filesystem::exists (mProjectPath))
+    {
+        filtersFound = true;
+    }
     else
     {
-        if (boost::filesystem::exists (mProjectPath))
+        boost::filesystem::path locCustomFiltersPath (configuration.getUserPath());
+        locCustomFiltersPath /= "defaultfilters";
+
+        if (boost::filesystem::exists(locCustomFiltersPath))
         {
-            getData().loadFile (mProjectPath, false, true);
+            boost::filesystem::copy_file (locCustomFiltersPath, mProjectPath);
+            filtersFound = true;
         }
         else
         {
-            boost::filesystem::path locCustomFiltersPath (configuration.getUserPath());
-            locCustomFiltersPath /= "defaultfilters";
-            if (boost::filesystem::exists(locCustomFiltersPath))
+            boost::filesystem::path filters(mResDir);
+            filters /= "defaultfilters";
+
+            if (boost::filesystem::exists(filters))
             {
-                boost::filesystem::copy_file (locCustomFiltersPath, mProjectPath);
-            } else {
-                boost::filesystem::path filters(mResDir);
-                filters /= "defaultfilters";
                 boost::filesystem::copy_file(filters, mProjectPath);
+                filtersFound = true;
             }
-            getData().loadFile (mProjectPath, false, true);
         }
     }
 
+    if (filtersFound)
+        getData().loadFile (mProjectPath, false, true);
+
     addOptionalGmsts();
     addOptionalGlobals();
 
diff --git a/files/mac/opencs.icns b/files/mac/opencs.icns
new file mode 100644
index 000000000..98812f871
Binary files /dev/null and b/files/mac/opencs.icns differ