diff --git a/src/content-server.cc b/src/content-server.cc
index a7cb807..df2b296 100644
--- a/src/content-server.cc
+++ b/src/content-server.cc
@@ -117,7 +117,7 @@
             }
         }
     }
-  catch (Ccnx::NameException ne)
+  catch (Ccnx::NameException &ne)
     {
       // ignore any unexpected interests and errors
       _LOG_ERROR(boost::get_error_info<Ccnx::error_info_str>(ne));
@@ -138,7 +138,7 @@
 
       filterAndServeImpl (forwardingHint, interest.getPartialName (forwardingHint.size()), interest); // always try with hint... :( have to
     }
-  catch (Ccnx::NameException ne)
+  catch (Ccnx::NameException &ne)
     {
       // ignore any unexpected interests and errors
       _LOG_ERROR(boost::get_error_info<Ccnx::error_info_str>(ne));