diff --git a/cpp/shared_initiator/phase_executor.cpp b/cpp/shared_initiator/phase_executor.cpp
index d1f8e224..446ab2a6 100644
--- a/cpp/shared_initiator/phase_executor.cpp
+++ b/cpp/shared_initiator/phase_executor.cpp
@@ -78,7 +78,7 @@ bool PhaseExecutor::Dispatch(scsi_command cmd, span<uint8_t> cdb, span<uint8_t>
 {
     const phase_t phase = bus.GetPhase();
 
-    spdlog::trace(string("Handling ") + Bus::GetPhaseName(phase) + " phase");
+    spdlog::trace(fmt::format("Handling {} phase", Bus::GetPhaseName(phase)));
 
     switch (phase) {
     case phase_t::command:
@@ -107,7 +107,7 @@ bool PhaseExecutor::Dispatch(scsi_command cmd, span<uint8_t> cdb, span<uint8_t>
         break;
 
     default:
-        spdlog::error(string("Ignoring ") + Bus::GetPhaseName(phase) + " phase");
+        spdlog::error(fmt::format("Ignoring {} phase", Bus::GetPhaseName(phase)));
         return false;
     }