diff --git a/.ci/flatpak/build.sh b/.ci/flatpak/build.sh
index ab6ce9a4da9..7013ce752c2 100755
--- a/.ci/flatpak/build.sh
+++ b/.ci/flatpak/build.sh
@@ -2,7 +2,9 @@
 # This requires a bunch of environment variables to be set. See the CI workflow
 
 echo "::group::flatpak-builder"
-flatpak run --command=flatpak-builder org.flatpak.Builder --repo=${WZ_FLATPAK_LOCAL_REPO_NAME} --disable-rofiles-fuse --force-clean --default-branch=${WZ_FLATPAK_BRANCH} --mirror-screenshots-url=${WZ_FLATPAK_MIRROR_SCREENSHOTS_URL} "$(pwd)/${WZ_FLATPAK_BUILD_DIR}" "$(pwd)/${WZ_FLATPAK_MANIFEST_PATH}"
+mkdir -p "$(pwd)/.flatpak-builder"
+echo "CCACHE_DIR=${CCACHE_DIR}"
+flatpak run --command=flatpak-builder org.flatpak.Builder --repo=${WZ_FLATPAK_LOCAL_REPO_NAME} --disable-rofiles-fuse --force-clean --default-branch=${WZ_FLATPAK_BRANCH} --mirror-screenshots-url=${WZ_FLATPAK_MIRROR_SCREENSHOTS_URL} "${WZ_FLATPAK_BUILD_DIR}" "${WZ_FLATPAK_MANIFEST_PATH}"
 echo "::endgroup::"
 
 if [[ "$WZ_FLATPAK_TARGET_ARCH" != "$WZ_FLATPAK_BUILD_ARCH" ]]; then