diff --git a/package/gnuradio/gnuradio.mk b/package/gnuradio/gnuradio.mk
index ed537e3934..7fe1547521 100644
--- a/package/gnuradio/gnuradio.mk
+++ b/package/gnuradio/gnuradio.mk
@@ -25,7 +25,8 @@ endif
 GNURADIO_CONF_OPTS = \
 	-DENABLE_DEFAULT=OFF \
 	-DENABLE_VOLK=ON \
-	-DENABLE_GNURADIO_RUNTIME=ON
+	-DENABLE_GNURADIO_RUNTIME=ON \
+	-DXMLTO_EXECUTABLE=NOTFOUND
 
 # For third-party blocks, the gnuradio libraries are mandatory at
 # compile time.