diff --git a/.forgejo/patches/build.patch b/.forgejo/patches/build.patch
index 495964e..35ce774 100644
--- a/.forgejo/patches/build.patch
+++ b/.forgejo/patches/build.patch
@@ -1,7 +1,7 @@
 diff --git a/usr/local/bin/build.sh.orig b/usr/local/bin/build.sh
 old mode 100644
 new mode 100755
-index c3b8f7a..1bc2dc2
+index c3b8f7a..9df8db4
 --- a/usr/local/bin/build.sh.orig
 +++ b/usr/local/bin/build.sh
 @@ -7,13 +7,14 @@
@@ -21,7 +21,7 @@ index c3b8f7a..1bc2dc2
  : "${MAX_ARTIFACT_SIZE:=300000000}" #300M
  : "${CI_DEBUG_BUILD:=}"
  
-@@ -67,13 +68,22 @@ report() {
+@@ -67,13 +68,32 @@ report() {
  }
  
  get_release() {
@@ -39,15 +39,25 @@ index c3b8f7a..1bc2dc2
  	esac
  }
  
-+# hack to have vanilla changed-aports work
-+changed_repos() {
-+	echo "."
++changed_aports() {
++	: "${APORTSDIR?APORTSDIR missing}"
++	: "${BASEBRANCH?BASEBRANCH missing}"
++
++	cd "$APORTSDIR"
++	local aports
++
++	aports=$(git diff --name-only --diff-filter=ACMR \
++		"$BASEBRANCH"...HEAD -- "*/APKBUILD" | xargs -rn1 dirname)
++
++	# shellcheck disable=2086
++	ap builddirs -d "$APORTSDIR" $aports 2>/dev/null | xargs -rn1 basename
 +}
++
 +
  build_aport() {
  	local repo="$1" aport="$2"
  	cd "$APORTSDIR/$repo/$aport"
-@@ -99,13 +109,13 @@ set_repositories_for() {
+@@ -99,13 +119,13 @@ set_repositories_for() {
  	local release
  
  	release=$(get_release)
@@ -64,7 +74,7 @@ index c3b8f7a..1bc2dc2
  	doas apk update
  }
  
-@@ -118,7 +128,15 @@ apply_offset_limit() {
+@@ -118,7 +138,15 @@ apply_offset_limit() {
  }
  
  setup_system() {
@@ -81,7 +91,7 @@ index c3b8f7a..1bc2dc2
  	doas apk -U upgrade -a || apk fix || die "Failed to up/downgrade system"
  	abuild-keygen -ain
  	doas sed -i -E 's/export JOBS=[0-9]+$/export JOBS=$(nproc)/' /etc/abuild.conf
-@@ -192,32 +210,22 @@ section_end setup
+@@ -192,32 +220,22 @@ section_end setup
  build_start=$CI_ALPINE_BUILD_OFFSET
  build_limit=$CI_ALPINE_BUILD_LIMIT
  
@@ -93,7 +103,7 @@ index c3b8f7a..1bc2dc2
 -	changed_aports_to_build=$(echo "$changed_aports_in_repo" | apply_offset_limit "$build_start" "$build_limit")
 +set_repositories_for $(get_qubes_release)
 +built_aports=0
-+changed_aports_in_repo=$(changed_aports $BASEBRANCH $repo)
++changed_aports_in_repo=$(changed_aports $BASEBRANCH)
 +changed_aports_in_repo_count=$(echo "$changed_aports_in_repo" | wc -l)
 +changed_aports_to_build=$(echo "$changed_aports_in_repo" | apply_offset_limit "$build_start" "$build_limit")