diff --git a/docker/Dockerfile b/docker/Dockerfile
index 78019f2d1..4ced8a5ac 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -79,11 +79,17 @@ RUN apt-get -qq update \
     # coral drivers
     libedgetpu1-max python3-tflite-runtime python3-pycoral \
     && pip3 install -U /wheels/*.whl \
-    # btbn-ffmpeg
+    # btbn-ffmpeg -> amd64 / arm64
+    && if [ "${TARGETARCH}" = "amd64" ] || [ "${TARGETARCH}" = "arm64" ]; then \
     && mkdir -p /usr/lib/btbn-ffmpeg \
     && wget -O btbn-ffmpeg.tar.xz "https://github.com/BtbN/FFmpeg-Builds/releases/download/autobuild-2022-07-31-12-37/ffmpeg-n5.1-2-g915ef932a3-linux$( [ "$TARGETARCH" = "amd64" ] && echo "64" || echo "arm64" )-gpl-5.1.tar.xz" \
     && tar -xf btbn-ffmpeg.tar.xz -C /usr/lib/btbn-ffmpeg --strip-components 1 \
     && rm btbn-ffmpeg.tar.xz \
+    fi \
+    # ffmpeg -> arm32
+    && if [ "${TARGETARCH}" = "arm" ]; then \
+    apt-get -qq install --no-install-recommends --no-install-suggests -y ffmpeg \
+    fi \
     # arch specific packages
     && if [ "${TARGETARCH}" = "amd64" ]; then \
     apt-get -qq install --no-install-recommends --no-install-suggests -y \