diff --git a/libavformat/Makefile b/libavformat/Makefile
index 87fdc11128..eab94e6b1d 100644
--- a/libavformat/Makefile
+++ b/libavformat/Makefile
@@ -155,7 +155,7 @@ OBJS-$(CONFIG_HLS_MUXER)                 += hlsenc.o mpegtsenc.o
 OBJS-$(CONFIG_ICO_DEMUXER)               += icodec.o
 OBJS-$(CONFIG_ICO_MUXER)                 += icoenc.o
 OBJS-$(CONFIG_IDCIN_DEMUXER)             += idcin.o
-OBJS-$(CONFIG_IDF_DEMUXER)               += bintext.o
+OBJS-$(CONFIG_IDF_DEMUXER)               += bintext.o sauce.o
 OBJS-$(CONFIG_IFF_DEMUXER)               += iff.o
 OBJS-$(CONFIG_ILBC_DEMUXER)              += ilbc.o
 OBJS-$(CONFIG_ILBC_MUXER)                += ilbc.o