diff --git a/.appveyor.yml b/.appveyor.yml
index 611eb6c14..cdcc585ed 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -3,13 +3,13 @@ image: Visual Studio 2017
 environment:
   DEPLOY_DIR: Spectral-%APPVEYOR_BUILD_VERSION%
   matrix:
-  - QTDIR: C:\Qt\5.11\msvc2017_64
+  - QTDIR: C:\Qt\5.12.1\mingw73_64
     VCVARS: "C:\\Program Files (x86)\\Microsoft Visual Studio\\2017\\Community\\VC\\Auxiliary\\Build\\vcvars64.bat"
     PLATFORM:
 
 init:
   - call "%QTDIR%\bin\qtenv2.bat"
-  - set PATH=C:\Qt\Tools\QtCreator\bin;%PATH%
+  - set PATH=%PATH%;C:\Qt\Tools\QtCreator\bin;%QT_DIR%\bin;C:\MinGW\bin
   - call "%VCVARS%" %platform%
   - cd /D "%APPVEYOR_BUILD_FOLDER%"
 
@@ -18,10 +18,10 @@ before_build:
 
 build_script:
   - qmake spectral.pro CONFIG+=release CONFIG+=qtquickcompiler PREFIX="%DEPLOY_DIR%"
-  - nmake
+  - mingw32-make
 
 after_build:
-  - nmake install
+  - mingw32-make install
   - windeployqt --release --qmldir qml --qmldir imports "%DEPLOY_DIR%\spectral.exe"
   - 7z a spectral.zip "%DEPLOY_DIR%\"