diff --git a/package/gnuradio/gnuradio.mk b/package/gnuradio/gnuradio.mk
index c2e5ec5cad..59fb23d89d 100644
--- a/package/gnuradio/gnuradio.mk
+++ b/package/gnuradio/gnuradio.mk
@@ -55,6 +55,9 @@ endif
 
 ifeq ($(BR2_PACKAGE_GNURADIO_BLOCKS),y)
 GNURADIO_CONF_OPTS += -DENABLE_GR_BLOCKS=ON
+ifeq ($(BR2_PACKAGE_LIBSNDFILE),y)
+GNURADIO_DEPENDENCIES += libsndfile
+endif
 else
 GNURADIO_CONF_OPTS += -DENABLE_GR_BLOCKS=OFF
 endif