diff --git a/src/plugins/streamers/gds2/unit_tests/dbGDS2Reader.cc b/src/plugins/streamers/gds2/unit_tests/dbGDS2Reader.cc
index 552c2a11c..2dc6611a8 100644
--- a/src/plugins/streamers/gds2/unit_tests/dbGDS2Reader.cc
+++ b/src/plugins/streamers/gds2/unit_tests/dbGDS2Reader.cc
@@ -393,7 +393,7 @@ TEST(Bug_121_2)
 
 TEST(3_AdvancedMapping)
 {
-  db::Manager m (false);
+  db::Manager m;
   db::Layout layout (&m);
 
   db::LoadLayoutOptions options;