diff --git a/externals/cmake-modules/FindFFmpeg.cmake b/externals/cmake-modules/FindFFmpeg.cmake
index 6cb5960bb..cac21c614 100644
--- a/externals/cmake-modules/FindFFmpeg.cmake
+++ b/externals/cmake-modules/FindFFmpeg.cmake
@@ -116,6 +116,10 @@ function(find_ffmpeg LIBNAME)
     endforeach()
     string(TOUPPER ${LIBNAME} LIBNAME_UPPER)
     file(STRINGS "${FFmpeg_INCLUDE_${LIBNAME}}/lib${LIBNAME}/version.h" _FFmpeg_VERSION_H_CONTENTS REGEX "#define LIB${LIBNAME_UPPER}_VERSION_(MAJOR|MINOR|MICRO) ")
+    if (EXISTS "${FFmpeg_INCLUDE_${LIBNAME}}/lib${LIBNAME}/version_major.h")
+      file(STRINGS "${FFmpeg_INCLUDE_${LIBNAME}}/lib${LIBNAME}/version_major.h" _FFmpeg_MAJOR_VERSION_H_CONTENTS REGEX "#define LIB${LIBNAME_UPPER}_VERSION_MAJOR ")
+      string(APPEND _FFmpeg_VERSION_H_CONTENTS "\n" ${_FFmpeg_MAJOR_VERSION_H_CONTENTS})
+    endif()
     set(_FFmpeg_VERSION_REGEX "([0-9]+)")
     foreach(v MAJOR MINOR MICRO)
       if("${_FFmpeg_VERSION_H_CONTENTS}" MATCHES "#define LIB${LIBNAME_UPPER}_VERSION_${v}[\\t ]+${_FFmpeg_VERSION_REGEX}")