diff --git a/command/rakp34.cpp b/command/rakp34.cpp
index 59707d0..cfa2363 100644
--- a/command/rakp34.cpp
+++ b/command/rakp34.cpp
@@ -97,7 +97,7 @@
         session =
             session::Manager::get().getSession(request->managedSystemSessionID);
     }
-    catch (std::exception& e)
+    catch (const std::exception& e)
     {
         log<level::ERR>("RAKP12 : session not found",
                         entry("EXCEPTION=%s", e.what()));