diff --git a/daemon/face/local-face.hpp b/daemon/face/local-face.hpp
index 3a0c39f..c54374c 100644
--- a/daemon/face/local-face.hpp
+++ b/daemon/face/local-face.hpp
@@ -182,7 +182,7 @@
 
     return true;
   }
-  catch (tlv::Error&) {
+  catch (const tlv::Error&) {
     return false;
   }
 }