diff --git a/sound/sox_ng/Makefile b/sound/sox_ng/Makefile
index 7bd1559c93..3ad9497eb5 100644
--- a/sound/sox_ng/Makefile
+++ b/sound/sox_ng/Makefile
@@ -46,6 +46,7 @@ CONFIGURE_ARGS += \
 		--without-libltdl \
 		--with-flac \
 		--without-ladspa \
+		--without-speexdsp \
 		--without-png \
 		--without-sndfile \
 		--with-opus \