diff --git a/docker/classic/Dockerfile b/docker/classic/Dockerfile
index 5b7f96e8..a71a41c0 100644
--- a/docker/classic/Dockerfile
+++ b/docker/classic/Dockerfile
@@ -10,8 +10,8 @@ RUN apk -U add build-base git nasm pkgconf
 RUN mkdir -p /ffmpeg_sources /ffmpeg_build
 WORKDIR /ffmpeg_sources
 ARG FFMPEG_BRANCH
-RUN git clone --depth=1 -b "$FFMPEG_BRANCH" https://git.ffmpeg.org/ffmpeg.git
-WORKDIR /ffmpeg_sources/ffmpeg
+RUN git clone --depth=1 -b "$FFMPEG_BRANCH" https://github.com/FFmpeg/FFmpeg
+WORKDIR /ffmpeg_sources/FFmpeg
 RUN ./configure \
   --prefix="/ffmpeg_build" \
   --extra-libs="-lpthread -lm" \