diff --git a/.github/autobuild/mac.sh b/.github/autobuild/mac.sh
index 1679d75aee..ba420c9d52 100755
--- a/.github/autobuild/mac.sh
+++ b/.github/autobuild/mac.sh
@@ -26,7 +26,7 @@
 
 set -eu
 
-QT_DIR=/opt/qt
+QT_DIR=~/qt
 # The following version pinnings are semi-automatically checked for
 # updates. Verify .github/workflows/bump-dependencies.yaml when changing those manually:
 AQTINSTALL_VERSION=3.1.21
diff --git a/.github/workflows/autobuild.yml b/.github/workflows/autobuild.yml
index 7fabb0111c..7c3c0b8ab3 100644
--- a/.github/workflows/autobuild.yml
+++ b/.github/workflows/autobuild.yml
@@ -321,7 +321,7 @@ jobs:
         uses:                       actions/cache@v4
         with:
           path: |
-            /opt/qt
+            ~/qt
             ~/Library/Cache/jamulus-homebrew-bottles
           key:                      ${{ matrix.config.target_os }}-${{ hashFiles('.github/workflows/autobuild.yml', '.github/autobuild/mac.sh', 'mac/deploy_mac.sh') }}-${{ matrix.config.base_command }}