diff --git a/.github/workflows/autobuild.yml b/.github/workflows/autobuild.yml
index 0457d6ae31..aa8a707bf2 100644
--- a/.github/workflows/autobuild.yml
+++ b/.github/workflows/autobuild.yml
@@ -249,12 +249,12 @@ jobs:
           - config_name:            iOS (artifacts)
             target_os:              ios
             building_on_os:         macos-15
-            base_command:           QT_VERSION=6.7.3 ./.github/autobuild/ios.sh
+            base_command:           QT_VERSION=5.15.2 ./.github/autobuild/ios.sh
             # Build failed with CodeQL enabled when last tested 03/2022 (#2490).
             # There are no hints that iOS is supposed to be supported by CodeQL.
             # Therefore, disable it:
             run_codeql:             false
-            xcode_version:          16.3.0
+            xcode_version:          26.2
 
           - config_name:            Windows (artifact+codeQL)
             target_os:              windows
diff --git a/ios/deploy_ios.sh b/ios/deploy_ios.sh
index c5c150b17d..be79bd2a79 100755
--- a/ios/deploy_ios.sh
+++ b/ios/deploy_ios.sh
@@ -4,8 +4,14 @@ set -eu -o pipefail
 ## Builds an ipa file for iOS. Should be run from the repo-root
 
 # Create Xcode file and build
-qmake -spec macx-xcode Jamulus.pro
-/usr/bin/xcodebuild -project Jamulus.xcodeproj -scheme Jamulus -configuration Release clean archive -archivePath "build/Jamulus.xcarchive" CODE_SIGN_IDENTITY="" CODE_SIGNING_REQUIRED=NO CODE_SIGNING_ALLOWED=NO CODE_SIGN_ENTITLEMENTS=""
+qmake Jamulus.pro -spec macx-xcode
+
+echo "Running preparation scripts..."
+make -f Jamulus.xcodeproj/qt_makeqmake.mak
+make -f Jamulus.xcodeproj/qt_preprocess.mak
+
+echo "Starting build..."
+/usr/bin/xcodebuild -destination generic/platform=iOS -project Jamulus.xcodeproj -scheme Jamulus -configuration Release clean archive -archivePath "build/Jamulus.xcarchive" CODE_SIGN_IDENTITY="" CODE_SIGNING_REQUIRED=NO CODE_SIGNING_ALLOWED=NO CODE_SIGN_ENTITLEMENTS=""
 
 # Generate ipa by copying the .app file from the xcarchive directory
 mkdir build/Payload