diff --git a/server/routes.js b/server/routes.js
index ab94372d..92fe4179 100644
--- a/server/routes.js
+++ b/server/routes.js
@@ -33,7 +33,7 @@ async function listWorkflows(state, ctx) {
 
   const { namespace } = ctx.params;
 
-  ctx.body = await tClient[state + 'Workflows'](ctx, {
+  ctx.body = await tClient()[state + 'Workflows'](ctx, {
     namespace,
     startTime,
     endTime,
diff --git a/server/tls/tls.js b/server/tls/tls.js
index d15d8a63..0709981e 100644
--- a/server/tls/tls.js
+++ b/server/tls/tls.js
@@ -14,7 +14,7 @@ const verifyHost = [true, 'true', undefined].includes(
 );
 
 function getGrpcCredentials(tlsCreds) {
-  if (!tlsCreds || (tlsCreds.pk && !tlsCreds.ca)) {
+  if (!tlsCreds || (!tlsCreds.pk && !tlsCreds.ca)) {
     logger.log('will use insecure connection with Temporal server...');
     return { credentials: grpc.credentials.createInsecure(), options: {} };
   } else if (tlsCreds.pk) {