diff --git a/test/fs/TestParsePath.cxx b/test/fs/TestParsePath.cxx
index 19e7ad220..294b3e94a 100644
--- a/test/fs/TestParsePath.cxx
+++ b/test/fs/TestParsePath.cxx
@@ -6,6 +6,7 @@
 #include "fs/Path.hxx"
 #include "fs/AllocatedPath.hxx"
 #include "fs/glue/StandardDirectory.hxx"
+#include "fs/XDG.hxx" // for USE_XDG
 
 #include <gtest/gtest.h>