diff --git a/cc/lto.go b/cc/lto.go
index 304790c54..1da69bf16 100644
--- a/cc/lto.go
+++ b/cc/lto.go
@@ -155,7 +155,7 @@ func (lto *lto) Never() bool {
 }
 
 func GlobalThinLTO(ctx android.BaseModuleContext) bool {
-	return !ctx.Config().IsEnvFalse("GLOBAL_THINLTO")
+	return ctx.Config().IsEnvTrue("GLOBAL_THINLTO")
 }
 
 // Propagate lto requirements down from binaries