diff --git a/patches/third_party-ffmpeg-BUILD.gn.patch b/patches/third_party-ffmpeg-BUILD.gn.patch
new file mode 100644
index 000000000000..ffb2f3661ab3
--- /dev/null
+++ b/patches/third_party-ffmpeg-BUILD.gn.patch
@@ -0,0 +1,16 @@
+diff --git a/third_party/ffmpeg/BUILD.gn b/third_party/ffmpeg/BUILD.gn
+index 01535c488ba6e6a86b9e4d4cd0fd654f18d9701b..518c3e5e455795f07ac1e818b9bb29cafc4b93c3 100755
+--- a/third_party/ffmpeg/BUILD.gn
++++ b/third_party/ffmpeg/BUILD.gn
+@@ -247,11 +247,9 @@ target(link_target_type, "ffmpeg_internal") {
+     # On POSIX x86, sanitizers will fail to compiler the H264 CABAC code due to
+     # insufficient registers unless we disable EBP usage. crbug.com/786760
+     if (target_cpu == "x86") {
+-      if (using_sanitizer) {
+         defines += [ "HAVE_EBP_AVAILABLE=0" ]
+       } else {
+         defines += [ "HAVE_EBP_AVAILABLE=1" ]
+-      }
+     }
+ 
+     if (!is_clang) {