diff --git a/src/handlers/noproxyHandler.js b/src/handlers/noproxyHandler.js
index df6d892..635d9ec 100644
--- a/src/handlers/noproxyHandler.js
+++ b/src/handlers/noproxyHandler.js
@@ -49,7 +49,7 @@ function noproxyHandler(req, socket, head) {
     } wants to proxy ${req.url} through this server`,
   );
   if (req.headers["user-agent"] != undefined)
-    logFacilities.reqmessage("Client uses " + req.headers["user-agent"]);
+    logFacilities.reqmessage(`Client uses ${req.headers["user-agent"]}`);
 
   logFacilities.errmessage("This server will never be a proxy.");
   if (!socket.destroyed) socket.end("HTTP/1.1 501 Not Implemented\n\n");
diff --git a/src/handlers/proxyHandler.js b/src/handlers/proxyHandler.js
index 7b76684..6864fc9 100644
--- a/src/handlers/proxyHandler.js
+++ b/src/handlers/proxyHandler.js
@@ -54,7 +54,7 @@ function proxyHandler(req, socket, head) {
     } wants to proxy ${req.url} through this server`,
   );
   if (req.headers["user-agent"] != undefined)
-    logFacilities.reqmessage("Client uses " + req.headers["user-agent"]);
+    logFacilities.reqmessage(`Client uses ${req.headers["user-agent"]}`);
 
   let index = 0;
 
diff --git a/src/handlers/requestHandler.js b/src/handlers/requestHandler.js
index 9c5f414..53ec7a1 100644
--- a/src/handlers/requestHandler.js
+++ b/src/handlers/requestHandler.js
@@ -287,7 +287,7 @@ function requestHandler(req, res) {
     }${req.headers.host == undefined || req.isProxy ? "" : req.headers.host}${req.url}`,
   );
   if (req.headers["user-agent"] != undefined)
-    logFacilities.reqmessage("Client uses " + req.headers["user-agent"]);
+    logFacilities.reqmessage(`Client uses ${req.headers["user-agent"]}`);
   if (oldHostHeader && oldHostHeader != req.headers.host)
     logFacilities.resmessage(
       "Host name rewritten: " + oldHostHeader + " => " + req.headers.host,