diff --git a/src/main/java/com/googlesource/gerrit/plugins/motd/MotdFileBasedConfig.java b/src/main/java/com/googlesource/gerrit/plugins/motd/MotdFileBasedConfig.java
index 22d0236..af4c6ab 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/motd/MotdFileBasedConfig.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/motd/MotdFileBasedConfig.java
@@ -44,7 +44,7 @@
   @Inject
   public MotdFileBasedConfig(final SitePaths site)
       throws ConfigInvalidException, IOException {
-    this.cfgPath = new File(site.etc_dir, "motd.config");
+    this.cfgPath = new File(site.etc_dir.toFile(), "motd.config");
     log.info("Loading configuration from " + cfgPath);
     this.config = new FileBasedConfig(cfgPath, FS.DETECTED);
     this.subnets = allSubnets();