diff --git a/ext/mpeg2enc/meson.build b/ext/mpeg2enc/meson.build
index 69011a470c..9819050bc9 100644
--- a/ext/mpeg2enc/meson.build
+++ b/ext/mpeg2enc/meson.build
@@ -11,7 +11,7 @@ if mjpegtools_dep.found() and mpeg2enc_dep.found()
     'gstmpeg2encoder.cc',
     'gstmpeg2encstreamwriter.cc',
     'gstmpeg2encpicturereader.cc',
-    cpp_args : gst_plugins_bad_args + ['-DGST_MJPEGTOOLS_API=2000'],
+    cpp_args : gst_plugins_bad_args + ['-DGST_MJPEGTOOLS_API=20000'],
     link_args : noseh_link_args,
     include_directories : [configinc, libsinc],
     dependencies : [gstvideo_dep, mjpegtools_dep, mpeg2enc_dep],