diff --git a/vendorsetup.sh b/vendorsetup.sh
index 8234582a4ae58e0670738270873a7a8550754427..cd134fd1e87c53b716ee4fa25d8cde28de99a693 100644
--- a/vendorsetup.sh
+++ b/vendorsetup.sh
@@ -282,3 +282,4 @@ fi
 
 # Don't build sources.xml
 export DISABLE_SOURCES_XML=true
+export LEGACY_USE_JAVA6=true