diff --git configure.ac.orig configure.ac
index a684338..053713a 100644
--- configure.ac.orig
+++ configure.ac
@@ -2242,8 +2242,8 @@ AC_ARG_ENABLE(avcodec,
 [  --enable-avcodec        libavcodec codec (default enabled)])
 AS_IF([test "${enable_avcodec}" != "no"], [
   PKG_CHECK_MODULES(AVCODEC,[libavcodec >= 53.34.0 libavutil >= 51.22.0], [
-    PKG_CHECK_EXISTS([libavcodec < 56],, [
-      AC_MSG_ERROR([libavcodec versions 56 and later are not supported yet.])
+    PKG_CHECK_EXISTS([libavcodec < 57],, [
+      AC_MSG_ERROR([libavcodec versions 57 and later are not supported yet.])
     ])
     VLC_SAVE_FLAGS
     CPPFLAGS="${CPPFLAGS} ${AVCODEC_CFLAGS}"