diff --git a/src/runtime/setup.rs b/src/runtime/setup.rs
index 1b585c2df61455e2e3e3dd3574a63f498f72fba4..e443f4530e08061f374173d4943ca1e1ff2860d3 100644
--- a/src/runtime/setup.rs
+++ b/src/runtime/setup.rs
@@ -119,6 +119,7 @@ impl Controller {
             mono_ps: p_monos,
             mono_n: n_mono,
             round_index: 0,
+            logger: String::default(),
         };
         let controller = Self { protocol_description, inner, ephemeral: Default::default() };
         Ok((controller, native_interface))