diff --git a/packages/config/src/load.js b/packages/config/src/load.js
index 730c1d324..34e76bab7 100644
--- a/packages/config/src/load.js
+++ b/packages/config/src/load.js
@@ -95,7 +95,7 @@ export function load({
   config = normalize(config, { overrides, schema: '/config' });
   let errors = config && validate(config);
 
-  if (errors) {
+  if (errors?.length > 0) {
     log.warn('Invalid config:');
     for (let e of errors) log.warn(`- ${e.path}: ${e.message}`);
     if (bail) return;
diff --git a/packages/core/src/percy.js b/packages/core/src/percy.js
index f1449cf9c..7a350f7ed 100644
--- a/packages/core/src/percy.js
+++ b/packages/core/src/percy.js
@@ -134,7 +134,7 @@ export class Percy {
     // validate provided config options
     let errors = PercyConfig.validate(config);
 
-    if (errors) {
+    if (errors?.length > 0) {
       this.log.warn('Invalid config:');
       for (let e of errors) this.log.warn(`- ${e.path}: ${e.message}`);
     }
@@ -386,7 +386,7 @@ export class Percy {
       let { clientInfo, environmentInfo, ...comparison } = options;
       let errors = PercyConfig.validate(comparison, '/comparison');
 
-      if (errors) {
+      if (errors?.length > 0) {
         this.log.warn('Invalid upload options:');
         for (let e of errors) this.log.warn(`- ${e.path}: ${e.message}`);
       }
diff --git a/packages/core/src/snapshot.js b/packages/core/src/snapshot.js
index 7a5b11533..ee192ccbb 100644
--- a/packages/core/src/snapshot.js
+++ b/packages/core/src/snapshot.js
@@ -196,7 +196,7 @@ export function validateSnapshotOptions(options) {
   // warn on validation errors
   let errors = PercyConfig.validate(migrated, schema);
 
-  if (errors) {
+  if (errors?.length > 0) {
     log.warn('Invalid snapshot options:');
     for (let e of errors) log.warn(`- ${e.path}: ${e.message}`);
   }