diff --git a/src/utils/proxy/handlers/generic.js b/src/utils/proxy/handlers/generic.js
index a2077b91d..91e0fa94f 100644
--- a/src/utils/proxy/handlers/generic.js
+++ b/src/utils/proxy/handlers/generic.js
@@ -58,11 +58,11 @@ export default async function genericProxyHandler(req, res, map) {
 
       if (status >= 400) {
         logger.debug(
-          "HTTP Error %d calling %s//%s:%s%s...",
+          "HTTP Error %d calling %s//%s%s%s...",
           status,
           url.protocol,
           url.hostname,
-          url.port,
+          url.port ? `:${url.port}` : '',
           url.pathname
         );
         return res.status(status).json({error: {message: "HTTP Error", url: sanitizeErrorURL(url), resultData}});
diff --git a/src/utils/proxy/http.js b/src/utils/proxy/http.js
index 1df0f5772..e022fb462 100644
--- a/src/utils/proxy/http.js
+++ b/src/utils/proxy/http.js
@@ -82,10 +82,10 @@ export async function httpProxy(url, params = {}) {
   }
   catch (err) {
     logger.error(
-      "Error calling %s//%s:%s%s...",
+      "Error calling %s//%s%s%s...",
       constructedUrl.protocol,
       constructedUrl.hostname,
-      constructedUrl.port,
+      constructedUrl.port ? `:${constructedUrl.port}` : '',
       constructedUrl.pathname
     );
     logger.error(err);