diff --git a/java/builder.go b/java/builder.go
index ff618d8..dd0d927 100644
--- a/java/builder.go
+++ b/java/builder.go
@@ -441,7 +441,7 @@
 
 	rule := dx
 	desc := "dx"
-	if ctx.AConfig().IsEnvTrue("USE_D8_DESUGAR") {
+	if ctx.Config().UseD8Desugar() {
 		rule = d8
 		desc = "d8"
 	}