diff --git a/srcpkgs/gnuradio-nrsc5/template b/srcpkgs/gnuradio-nrsc5/template
index f596dec72a4..700f90bd6c8 100644
--- a/srcpkgs/gnuradio-nrsc5/template
+++ b/srcpkgs/gnuradio-nrsc5/template
@@ -17,6 +17,10 @@ make_check=no  # XXX: ModuleNotFoundError: No module named 'nrsc5'
 
 export CMAKE_GENERATOR="Unix Makefiles"
 
+if [ "$CROSS_BUILD" ]; then
+	configure_args+=" -DPYBIND11_USE_CROSSCOMPILING=ON"
+fi
+
 pre_configure() {
 	if [ "$CROSS_BUILD" ]; then
 		vsed -i CMakeLists.txt \