diff --git a/java/dexpreopt_bootjars.go b/java/dexpreopt_bootjars.go
index 9057a1c..794bc4a 100644
--- a/java/dexpreopt_bootjars.go
+++ b/java/dexpreopt_bootjars.go
@@ -505,8 +505,7 @@
 		// No module has enabled dexpreopting, so we assume there will be no boot image to make.
 		return
 	}
-	archType := ctx.Config().Targets[android.Android][0].Arch.ArchType
-	d.dexpreoptConfigForMake = android.PathForOutput(ctx, toDexpreoptDirName(archType), "dexpreopt.config")
+	d.dexpreoptConfigForMake = android.PathForOutput(ctx, getDexpreoptDirName(ctx), "dexpreopt.config")
 	writeGlobalConfigForMake(ctx, d.dexpreoptConfigForMake)
 
 	global := dexpreopt.GetGlobalConfig(ctx)