diff --git a/BuildServices.asciidoc b/BuildServices.asciidoc
index 6c36d9e..9c8ebde 100644
--- a/BuildServices.asciidoc
+++ b/BuildServices.asciidoc
@@ -212,12 +212,10 @@ environment:
 
 install:
   - MKDIR %CD%\tools_tmp
-  - cd tools_tmp
   - IF not exist "%MINGW_ARCHIVE%" appveyor DownloadFile "%MINGW_URL%" -FileName "%MINGW_ARCHIVE%"
-  - 7z x -y "%MINGW_ARCHIVE%" > nul
+  - 7z x -y "%MINGW_ARCHIVE%" -o"%CD%\tools_tmp"> nul
   - IF not exist "%NIM_ARCHIVE%" appveyor DownloadFile "%NIM_URL%" -FileName "%NIM_ARCHIVE%"
-  - 7z x -y "%NIM_ARCHIVE%" > nul
-  - cd ..
+  - 7z x -y "%NIM_ARCHIVE%" -o"%CD%\tools_tmp"> nul
   - SET PATH=%CD%\tools_tmp\%NIM_DIR%\bin;%CD%\tools_tmp\%MINGW_DIR%\bin;%PATH%
 
 build_script:
@@ -230,4 +228,4 @@ test_script:
 deploy: off
 ----
 
-
+You may encounter an issue with Sourceforge download and download just a webpage. In that case replace the generic URL by a direct link into a mirror like 'https://ayera.dl.sourceforge.net/project/mingw-w64/Toolchains%20targetting%20Win64/Personal%20Builds/mingw-builds/4.9.2/threads-win32/seh/x86_64-4.9.2-release-win32-seh-rt_v4-rev4.7z'