diff --git a/configure b/configure
index 046239816407b3b54681ec4c83c72e65ebc9efee..1316c889ff17071b4125a8c0321df4c36180884b 100755
--- a/configure
+++ b/configure
@@ -663,6 +663,8 @@ faac_encoder_deps="libfaac"
 liba52_decoder_deps="liba52"
 libgsm_decoder_deps="libgsm"
 libgsm_encoder_deps="libgsm"
+libgsm_ms_decoder_deps="libgsm"
+libgsm_ms_encoder_deps="libgsm"
 libtheora_encoder_deps="libtheora"
 mp3lame_encoder_deps="libmp3lame"
 oggvorbis_decoder_deps="libvorbis"