diff --git a/tests/tests.cpp b/tests/tests.cpp
index 49e01459..14d2a9d2 100644
--- a/tests/tests.cpp
+++ b/tests/tests.cpp
@@ -124,7 +124,7 @@ void
 test_config_branches()
 {
   uint64_t minfreespace;
-  Branches b(minfreespace);
+  Branches b;
   Branches::Ptr bcp0;
   Branches::Ptr bcp1;