diff --git a/media-video/gpac/files/gpac-2.4.0-ffmpeg6.patch b/media-video/gpac/files/gpac-2.4.0-ffmpeg6.patch
new file mode 100644
index 0000000000000..5fdcc0d30e6e7
--- /dev/null
+++ b/media-video/gpac/files/gpac-2.4.0-ffmpeg6.patch
@@ -0,0 +1,11 @@
+https://bugs.gentoo.org/951622
+https://github.com/gpac/gpac/commit/8d7cac0bf9f9775cae1d43de7138206758f28b0c
+--- a/src/filters/ff_mx.c
++++ b/src/filters/ff_mx.c
+@@ -248,5 +248,5 @@
+ 
+ 
+-#if (LIBAVFORMAT_VERSION_MAJOR <= 59)
++#if (LIBAVFORMAT_VERSION_MAJOR < 61)
+ static int ffavio_write_packet(void *opaque, uint8_t *buf, int buf_size)
+ #else
diff --git a/media-video/gpac/gpac-2.4.0.ebuild b/media-video/gpac/gpac-2.4.0.ebuild
index 68d3e19779781..409a607d607ef 100644
--- a/media-video/gpac/gpac-2.4.0.ebuild
+++ b/media-video/gpac/gpac-2.4.0.ebuild
@@ -63,6 +63,7 @@ BDEPEND="
 
 PATCHES=(
 	"${FILESDIR}"/${P}-configure-stddef.patch
+	"${FILESDIR}"/${P}-ffmpeg6.patch
 	"${FILESDIR}"/${P}-ffmpeg7.patch
 )