diff --git a/packages/ffmpeg/build.sh b/packages/ffmpeg/build.sh
index 832fe9c664..f81035f07c 100644
--- a/packages/ffmpeg/build.sh
+++ b/packages/ffmpeg/build.sh
@@ -4,7 +4,7 @@ TERMUX_PKG_LICENSE="GPL-3.0"
 TERMUX_PKG_MAINTAINER="@termux"
 # Please align version with `ffplay` package.
 TERMUX_PKG_VERSION="7.1"
-TERMUX_PKG_REVISION=3
+TERMUX_PKG_REVISION=4
 TERMUX_PKG_SRCURL=https://www.ffmpeg.org/releases/ffmpeg-${TERMUX_PKG_VERSION}.tar.xz
 TERMUX_PKG_SHA256=40973d44970dbc83ef302b0609f2e74982be2d85916dd2ee7472d30678a7abe6
 TERMUX_PKG_DEPENDS="fontconfig, freetype, fribidi, game-music-emu, harfbuzz, libaom, libandroid-glob, libass, libbluray, libbz2, libdav1d, libgnutls, libiconv, liblzma, libmp3lame, libopencore-amr, libopenmpt, libopus, librav1e, libsoxr, libsrt, libssh, libtheora, libv4l, libvidstab, libvmaf, libvo-amrwbenc, libvorbis, libvpx, libwebp, libx264, libx265, libxml2, libzimg, littlecms, ocl-icd, rubberband, svt-av1, xvidcore, zlib"
diff --git a/packages/ffmpeg/postinst.sh.in b/packages/ffmpeg/postinst.sh.in
index 96e3c1d34d..42490b594c 100644
--- a/packages/ffmpeg/postinst.sh.in
+++ b/packages/ffmpeg/postinst.sh.in
@@ -1,4 +1,4 @@
-#!$TERMUX_PREFIX/bin/sh
+#!@TERMUX_PREFIX@/bin/sh
 
 # shellcheck disable=SC3043
 check_command() {