diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0206cfe124..62209bee80 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,7 @@
 # CERTIFICATE-TRANSPARENCY-GO Changelog
 
 ## HEAD
+ * [preloader] Parse klog flags.
 
 ## v1.3.2
 
diff --git a/preload/preloader/preloader.go b/preload/preloader/preloader.go
index 23acd29eed..fd11e60160 100644
--- a/preload/preloader/preloader.go
+++ b/preload/preloader/preloader.go
@@ -131,8 +131,9 @@ func precertSubmitter(ctx context.Context, addedCerts chan<- *preload.AddedCert,
 }
 
 func main() {
-	flag.Parse()
+	klog.InitFlags(nil)
 	klog.CopyStandardLogTo("WARNING")
+	flag.Parse()
 
 	var sctFileWriter io.Writer
 	var err error