diff --git a/ci/appveyor/build.cmd b/ci/appveyor/build.cmd
index debccb857eab9f3ce43192be1d46fca2031b4f50..a5de24a32b37f7b829670c698eaf1ce4fb64b20f 100644
--- a/ci/appveyor/build.cmd
+++ b/ci/appveyor/build.cmd
@@ -22,5 +22,7 @@ if %errorlevel% neq 0 exit /b 1s
 call .\\ci\\appveyor\\gen_translations.cmd
 if %errorlevel% neq 0 exit /b 1
 
+SET PATH=c:\\python35_64\\envs\\test-environment\\lib\\site-packages\\PyQt5\\;%PATH%
+
 pyinstaller sakia.spec
 if %errorlevel% neq 0 exit /b 1