diff --git a/utest/X1Collector.test.cpp b/utest/X1Collector.test.cpp
index adfc977..8b37c8a 100644
--- a/utest/X1Collector.test.cpp
+++ b/utest/X1Collector.test.cpp
@@ -16,8 +16,7 @@
 #include <xo/gc/detail/IAllocator_DX1Collector.hpp>
 #include <xo/gc/detail/ICollector_DX1Collector.hpp>
 
-#include <xo/alloc2/AllocInfo.hpp>
-
+#include <xo/arena/AllocInfo.hpp>
 #include <xo/arena/padding.hpp>
 
 #include <xo/indentlog/scope.hpp>