diff --git a/core_manager_main.cpp b/core_manager_main.cpp
index 3e0e459..7294cb2 100644
--- a/core_manager_main.cpp
+++ b/core_manager_main.cpp
@@ -45,7 +45,7 @@
         }
     }
 
-    catch (InternalFailure& e)
+    catch (const InternalFailure& e)
     {
         commit<InternalFailure>();
         return -1;