diff --git a/configure b/configure
index 8f5c5c6312..9854eef42b 100755
--- a/configure
+++ b/configure
@@ -479,7 +479,7 @@ _amr_nb=auto
 _amr_nb_fixed=auto
 _amr_wb=auto
 _libavdecoders_all=`sed -n 's/^[^#]*DEC.*, *\(.*\)).*/\1_decoder/p' libavcodec/allcodecs.c | tr '[a-z]' '[A-Z]'`
-_libavdecoders=` echo $_libavdecoders_all | sed -e s/AAC_DECODER// -e s/MPEG4AAC_DECODER//  -e s/AC3_DECODER// -e s/LIBGSM_DECODER// -e s/LIBVORBIS_DECODER// `
+_libavdecoders=` echo $_libavdecoders_all | sed -e s/AAC_DECODER// -e s/MPEG4AAC_DECODER//  -e s/LIBA52_DECODER// -e s/LIBGSM_DECODER// -e s/LIBVORBIS_DECODER// `
 _libavencoders_all=`sed -n 's/^[^#]*ENC.*, *\(.*\)).*/\1_encoder/p' libavcodec/allcodecs.c | tr '[a-z]' '[A-Z]'`
 _libavencoders=` echo $_libavencoders_all | sed -e s/LIBGSM_ENCODER// -e s/LIBTHEORA_ENCODER// `
 _libavparsers_all=`sed -n 's/^[^#]*PARSER.*, *\(.*\)).*/\1_parser/p' libavcodec/allcodecs.c | tr '[a-z]' '[A-Z]'`