diff --git a/.appveyor.yml b/.appveyor.yml
index d0b78925..f7eeee3d 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -16,9 +16,8 @@ branches:
 # Environment
 environment:
   NINJA_URL: https://github.com/ninja-build/ninja/releases/download/v1.8.2/ninja-win.zip
-  QTDIR: 'C:\Qt\5.10.0\msvc2015_64'
-  QT32PATH: 'C:\Qt\5.10.0\msvc2015'
-  QT64PATH: 'C:\Qt\5.10.0\msvc2015_64'
+  QT32PATH: 'C:\Qt\5.9\msvc2015'
+  QT64PATH: 'C:\Qt\5.9\msvc2015_64'
   VSVARSALLPATH: 'C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat'
   matrix:
     # Build: qmake vs2015 x86 shared