diff --git a/build/envsetup.sh b/build/envsetup.sh
index cfe92685..a78f0f7a 100644
--- a/build/envsetup.sh
+++ b/build/envsetup.sh
@@ -1023,3 +1023,5 @@ function generate_host_overrides() {
 }
 
 generate_host_overrides
+
+export USE_THINLTO_CACHE=true