diff --git a/testspr/trace.hpp b/testspr/trace.hpp
index dba74942..be99710b 100644
--- a/testspr/trace.hpp
+++ b/testspr/trace.hpp
@@ -21,7 +21,7 @@
 #include <sprout/preprocessor/stringize.hpp>
 #include <sprout/current_function.hpp>
 #include <sprout/assert.hpp>
-//#include <testspr/singleton.hpp>
+#include <testspr/singleton.hpp>
 #include <testspr/typeinfo.hpp>
 #include <testspr/print.hpp>