diff --git a/.github/scripts/Linux/prepare.sh b/.github/scripts/Linux/prepare.sh
index a5e9d4708..f68238fa0 100755
--- a/.github/scripts/Linux/prepare.sh
+++ b/.github/scripts/Linux/prepare.sh
@@ -11,10 +11,7 @@ git config --global user.name "UltraGrid Builder"
 git config --global user.email "ultragrid@example.org"
 
 sed -n '/^deb /s/^deb /deb-src /p' /etc/apt/sources.list | sudo tee /etc/apt/sources.list.d/sources.list # for build-dep ffmpeg
-# for FFmpeg deps
-sudo add-apt-repository ppa:savoury1/ffmpeg4 # openh264, new x265
 sudo apt update
-
 sudo apt install appstream `# appstreamcli for mkappimage AppStream validation` \
         asciidoc
 sudo apt install fonts-dejavu-core
@@ -51,6 +48,8 @@ sdl2_ttf_build_dep=$(get_build_deps_excl libsdl2-ttf libsdl2-dev)
 # shellcheck disable=SC2086 # intentional
 sudo apt install $sdl2_mix_build_dep $sdl2_ttf_build_dep
 
+# FFmpeg deps
+sudo add-apt-repository ppa:savoury1/ffmpeg4 # openh264, new x265
 # for FFmpeg - libzmq3-dev needs to be ignored (cannot be installed, see run #380)
 ffmpeg_build_dep=$(get_build_deps_excl ffmpeg 'libzmq3-dev\|libsdl2-dev')
 # shellcheck disable=SC2086 # intentional