diff --git a/src/upstream.h b/src/upstream.h
index 0ddd854..9a2314d 100644
--- a/src/upstream.h
+++ b/src/upstream.h
@@ -58,7 +58,7 @@ struct upstream {
         } ua;
         char *pass;
         int port;
-	struct hostspec target;
+        struct hostspec target;
         proxy_type type;
 };