diff --git a/3rdparty/ffmpeg/ffmpeg_version.cmake b/3rdparty/ffmpeg/ffmpeg_version.cmake
index cc0aaff79f..a3c78b2fc1 100644
--- a/3rdparty/ffmpeg/ffmpeg_version.cmake
+++ b/3rdparty/ffmpeg/ffmpeg_version.cmake
@@ -1,3 +1,4 @@
+set(HAVE_FFMPEG 1)
 set(HAVE_FFMPEG_CODEC 1)
 set(HAVE_FFMPEG_FORMAT 1)
 set(HAVE_FFMPEG_UTIL 1)