diff --git a/build-macos.sh b/build-macos.sh
index 11734ae..739e6d4 100755
--- a/build-macos.sh
+++ b/build-macos.sh
@@ -33,7 +33,7 @@ BUILD_DIR=$BASE_DIR/$(mktemp -d build.XXXXXXXX)
 trap 'rm -rf $BUILD_DIR' EXIT
 
 cd $BUILD_DIR
-tar --strip-components=1 -xf $BASE_DIR/$FFMPEG_TARBALL
+gzip -d $BASE_DIR/$FFMPEG_TARBALL | tar --strip-components=1 -xf -
 
 FFMPEG_CONFIGURE_FLAGS+=(
     --cc=/usr/bin/clang
diff --git a/common.sh b/common.sh
index 9aafeee..06bdbd1 100644
--- a/common.sh
+++ b/common.sh
@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 
 FFMPEG_VERSION=7.0
-FFMPEG_TARBALL=ffmpeg-$FFMPEG_VERSION.tar.bz2
+FFMPEG_TARBALL=ffmpeg-$FFMPEG_VERSION.tar.gz
 FFMPEG_TARBALL_URL=http://ffmpeg.org/releases/$FFMPEG_TARBALL
 
 FFMPEG_CONFIGURE_FLAGS=(