diff --git a/command/rakp12.cpp b/command/rakp12.cpp
index 1130ee9..b8dc17c 100644
--- a/command/rakp12.cpp
+++ b/command/rakp12.cpp
@@ -67,7 +67,7 @@
         session = session::Manager::get().getSession(
             endian::from_ipmi(request->managedSystemSessionID));
     }
-    catch (std::exception& e)
+    catch (const std::exception& e)
     {
         log<level::ERR>("RAKP12 : session not found",
                         entry("EXCEPTION=%s", e.what()));