diff --git a/scripts/_common.sh b/scripts/_common.sh
index 3f135a0..04ae441 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -16,14 +16,45 @@ architecture=$(dpkg --print-architecture)
 discovery_service_port=1900
 discovery_client_port=7359
 
-if [ $architecture == "arm64" ]; then
-    ffmpeg_deps="libass9 libbluray2 libc6 libdrm2 libfontconfig1 libfreetype6 libfribidi0 libgcc1 libgmp10 libgnutls30 libmp3lame0 libopus0 libstdc++6 libtheora0 libvdpau1 libvorbis0a libvorbisenc2 libvpx5 libwebp6 libwebpmux3 libx11-6 libx264-155 libx265-165 libzvbi0 zlib1g"
-else
-    ffmpeg_deps="libass9 libbluray2 libc6 libdrm-intel1 libdrm2 libfontconfig1 libfreetype6 libfribidi0 libgcc1 libgmp10 libgnutls30 libmp3lame0 libopus0 libstdc++6 libtheora0 libvdpau1 libvorbis0a libvorbisenc2 libvpx5 libwebp6 libwebpmux3 libx11-6 libx264-155 libx265-165 libzvbi0 libopencl1 zlib1g"
-fi
+ffmpeg_deps=(
+    libass9
+    libbluray2
+    libc6
+    libdrm2
+    libfontconfig1
+    libfreetype6
+    libfribidi0
+    libgcc1
+    libgmp10
+    libgnutls30
+    libmp3lame0
+    libopus0
+    libstdc++6
+    libtheora0
+    libvdpau1
+    libvorbis0a
+    libvorbisenc2
+    libwebp6
+    libwebpmux3
+    libx11-6
+    libzvbi0
+    zlib1g
+)
 
-jellyfin_deps="at libsqlite3-0 libfontconfig1 libfreetype6 libssl1.1"
-pkg_dependencies="$ffmpeg_deps $jellyfin_deps"
+case "$debian" in
+    buster) ffmpeg_deps+=( libvpx5 libx264-155 libx265-165 ) ;;
+    bullseye) ffmpeg_deps+=( libvpx6 libx264-160 libx265-192 ) ;;
+    *) echo "Unknown release: $debian" >&2; exit 1 ;;
+esac
+case "$architecture" in
+    arm64) : ;;
+    armhf) : ;;
+    *) ffmpeg_deps+=( libdrm-intel1 libopencl1 ) ;;
+esac
+
+jellyfin_deps=(at libsqlite3-0 libfontconfig1 libfreetype6 libssl1.1)
+
+pkg_dependencies="${ffmpeg_deps[*]} ${jellyfin_deps[*]}"
 
 #=================================================
 # PERSONAL HELPERS