--- a/src/guacenc/guacenc.c	2018-05-25 00:11:40.315468138 +0200
+++ b/src/guacenc/guacenc.c	2018-05-25 00:11:32.011384353 +0200
@@ -76,7 +76,9 @@
             "version " VERSION);
 
     /* Prepare libavcodec */
+#if LIBAVCODEC_VERSION_INT < AV_VERSION_INT(58, 9, 100)
     avcodec_register_all();
+#endif
 
     /* Track number of overall failures */
     int total_files = argc - optind;