diff --git a/make_libs.bat b/make_libs.bat
index 8838f07..7bc2b1f 100644
--- a/make_libs.bat
+++ b/make_libs.bat
@@ -1,6 +1,6 @@
 @echo off
 set ARCH=%~1
-set PATH=C:\mingw\7_1_x%ARCH%\bin;C:\Qt\qt487_win%ARCH%\bin;C:\cmake\bin
-set Qt5_DIR=C:\Qt\qt591_win%ARCH%
+set PATH=%SDK_MINGW_DIR%%ARCH%\bin;%SDK_QT4_DIR%%ARCH%\bin;%SDK_CMAKE_DIR%\bin
+set Qt5_DIR=%SDK_QT5_DIR%%ARCH%
 mkdir ..\libs_build_win%ARCH%
 cd ../libs_build_win%ARCH% && cmake_mgw ../libs && make install -j8 && cd ../libs && pause
diff --git a/project_fs/projectfilesystemplugin.pro b/project_fs/projectfilesystemplugin.pro
index 2211f29..ec797d3 100644
--- a/project_fs/projectfilesystemplugin.pro
+++ b/project_fs/projectfilesystemplugin.pro
@@ -27,13 +27,11 @@ RESOURCES += \
 
 ## Either set the IDE_SOURCE_TREE when running qmake,
 ## or set the QTC_SOURCE environment variable, to override the default setting
-isEmpty(IDE_SOURCE_TREE): IDE_SOURCE_TREE = $$(QTC_SOURCE)
-isEmpty(IDE_SOURCE_TREE): IDE_SOURCE_TREE = "D:/sdk/qt-creator-git/qt-creator"
+isEmpty(IDE_SOURCE_TREE): IDE_SOURCE_TREE = $$(SDK_QTCREATOR_SRC)
 
 ## Either set the IDE_BUILD_TREE when running qmake,
 ## or set the QTC_BUILD environment variable, to override the default setting
-isEmpty(IDE_BUILD_TREE): IDE_BUILD_TREE = $$(QTC_BUILD)
-isEmpty(IDE_BUILD_TREE): IDE_BUILD_TREE = "D:/sdk/qt-creator-git/build"
+isEmpty(IDE_BUILD_TREE): IDE_BUILD_TREE = $$(SDK_QTCREATOR_BUILD)
 
 ## uncomment to build plugin into user config directory
 ## <localappdata>/plugins/<ideversion>