diff --git a/configure b/configure
index 3edb8807f8..9115bdebe0 100755
--- a/configure
+++ b/configure
@@ -1590,13 +1590,16 @@ _libavcodec=auto
 _amr_nb=auto
 _amr_nb_fixed=auto
 _amr_wb=auto
-_libavdecoders=`sed -n 's/^[^#]*DEC.*, *\(.*\)).*/\1_decoder/p' "libavcodec/allcodecs.c"`
-_libavencoders=`sed -n 's/^[^#]*ENC.*, *\(.*\)).*/\1_encoder/p' "libavcodec/allcodecs.c"`
-_libavencoders_all=$_libavencoders
-_libavparsers=`sed -n 's/^[^#]*PARSER.*, *\(.*\)).*/\1_parser/p' "libavcodec/allcodecs.c"`
-_libavdemuxers=`sed -n 's/^[^#]*DEMUX.*, *\(.*\)).*/\1_demuxer/p' libavformat/allformats.c`
-_libavmuxers=`sed -n 's/^[^#]*_MUX.*, *\(.*\)).*/\1_muxer/p' libavformat/allformats.c`
-_libavmuxers_all=$_libavmuxers
+_libavdecoders_all=`sed -n 's/^[^#]*DEC.*, *\(.*\)).*/\1_decoder/p' "libavcodec/allcodecs.c"`
+_libavdecoders=$_libavdecoders_all
+_libavencoders_all=`sed -n 's/^[^#]*ENC.*, *\(.*\)).*/\1_encoder/p' "libavcodec/allcodecs.c"`
+_libavencoders=$_libavencoders_all
+_libavparsers_all=`sed -n 's/^[^#]*PARSER.*, *\(.*\)).*/\1_parser/p' "libavcodec/allcodecs.c"`
+_libavparsers=$_libavparsers_all
+_libavdemuxers_all=`sed -n 's/^[^#]*DEMUX.*, *\(.*\)).*/\1_demuxer/p' libavformat/allformats.c`
+_libavdemuxers=$_libavdemuxers_all
+_libavmuxers_all=`sed -n 's/^[^#]*_MUX.*, *\(.*\)).*/\1_muxer/p' libavformat/allformats.c`
+_libavmuxers=$_libavmuxers_all
 _libavcodec_so=auto
 _libavformat=auto
 _libavformat_so=auto