diff --git a/appveyor.yml b/appveyor.yml
index 86c281d1e..3a39a6830 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -49,7 +49,7 @@ environment:
       QT: Qt\6.4\mingw_64
       QT_VERSION: Qt6_4
       BUILD_SYSTEM: "qbs"
-      ENABLE_PCH: false
+      ENABLE_PCH: true
       GCC_VERSION: 12.2
       MINGW_PATH: C:\msys64\mingw64\bin
       ARCH: x64