diff --git a/src/authentication/authentication.guard.ts b/src/authentication/authentication.guard.ts
index f4d3454..00edbd6 100644
--- a/src/authentication/authentication.guard.ts
+++ b/src/authentication/authentication.guard.ts
@@ -63,7 +63,7 @@ export class AuthenticationGuard
     );
 
     const request = ctx.switchToHttp().getRequest();
-    const accessToken = this.verifyToken(request);
+    const accessToken = this.verifyToken(request, mustBeAuthenticated);
 
     if (!accessToken) {
       // couldn't load valid token
@@ -96,7 +96,7 @@ export class AuthenticationGuard
     return true;
   }
 
-  private verifyToken(request) {
+  private verifyToken(request, mustBeAuthenticated: boolean) {
     const accessToken = request.get('Authorization');
     let accessTokenPayload;
 
@@ -123,8 +123,8 @@ export class AuthenticationGuard
       jwt.verify(accessToken, pemValue);
       accessTokenPayload = accessTokenDecoded.payload;
     } catch (err) {
-      // only log if it's not a health check request
-      if (`${request.method} ${request.route.path}` !== 'GET /health') {
+      // log errors if authentication is required
+      if (mustBeAuthenticated) {
         this.logger.log('Unable to verify duc access token\n' + err.stack);
       }