diff --git a/distrib.makefile b/distrib.makefile
index 89aaa892..64e932ed 100644
--- a/distrib.makefile
+++ b/distrib.makefile
@@ -28,7 +28,7 @@ all: $(binary_arch) $(sources_arch)
 $(binary_arch): $(binary_files)
 	@rm -f $(binary_base) $@
 	@mkdir $(binary_base)
-	cp -ra $(binary_files) $(binary_base)
+	cp -Ra $(binary_files) $(binary_base)
 	zip -9 -r  $@ $(binary_base)
 	@rm -rf $(binary_base) $(binary_base).tar