diff --git a/subprojects/gst-libav/ext/libav/gstavvidenc.c b/subprojects/gst-libav/ext/libav/gstavvidenc.c
index 2ed9e5ae64..cc213abd63 100644
--- a/subprojects/gst-libav/ext/libav/gstavvidenc.c
+++ b/subprojects/gst-libav/ext/libav/gstavvidenc.c
@@ -226,6 +226,7 @@ gst_ffmpegvidenc_finalize (GObject * object)
   gst_ffmpeg_avcodec_close (ffmpegenc->refcontext);
   av_freep (&ffmpegenc->context);
   av_freep (&ffmpegenc->refcontext);
+  g_free (ffmpegenc->filename);
 
   G_OBJECT_CLASS (parent_class)->finalize (object);
 }