diff --git a/tests/daemon/fw/topology-tester.cpp b/tests/daemon/fw/topology-tester.cpp
index d934e35..5742592 100644
--- a/tests/daemon/fw/topology-tester.cpp
+++ b/tests/daemon/fw/topology-tester.cpp
@@ -75,7 +75,7 @@
     return;
   }
 
-  for (auto&& p : m_transports) {
+  for (const auto& p : m_transports) {
     if (p.first == i) {
       continue;
     }