diff --git a/configure b/configure
index 3c47043f92..7596c41124 100755
--- a/configure
+++ b/configure
@@ -1535,6 +1535,7 @@ libvorbis_encoder_deps="libvorbis"
 libvpx_decoder_deps="libvpx"
 libvpx_encoder_deps="libvpx"
 libx264_encoder_deps="libx264"
+libx264rgb_encoder_deps="libx264"
 libxavs_encoder_deps="libxavs"
 libxvid_encoder_deps="libxvid"
 libutvideo_decoder_deps="libutvideo gpl"