diff --git a/test/config/deps/test-dep-conditions-indirect/package.json b/test/config/deps/test-dep-conditions-indirect/package.json
index 309f790b65b3..d291b0c3cbd1 100644
--- a/test/config/deps/test-dep-conditions-indirect/package.json
+++ b/test/config/deps/test-dep-conditions-indirect/package.json
@@ -3,6 +3,10 @@
   "type": "module",
   "private": true,
   "exports": {
+    "./custom": {
+      "custom": "./true.js",
+      "default": "./false.js"
+    },
     "./module": {
       "module": "./true.js",
       "default": "./false.js"
diff --git a/test/config/deps/test-dep-conditions/indirect.js b/test/config/deps/test-dep-conditions/indirect.js
index cf01cfa3bf36..ad1766a01e9d 100644
--- a/test/config/deps/test-dep-conditions/indirect.js
+++ b/test/config/deps/test-dep-conditions/indirect.js
@@ -1,9 +1,11 @@
+import conditionCustom from '@vitest/test-dep-conditions-indirect/custom'
 import conditionDevelopment from '@vitest/test-dep-conditions-indirect/development'
 import conditionModule from '@vitest/test-dep-conditions-indirect/module'
 import conditionNode from '@vitest/test-dep-conditions-indirect/node'
 import conditionProductioin from '@vitest/test-dep-conditions-indirect/production'
 
 export default {
+  conditionCustom,
   conditionModule,
   conditionNode,
   conditionDevelopment,
diff --git a/test/config/deps/test-dep-conditions/package.json b/test/config/deps/test-dep-conditions/package.json
index fd4412263ff6..43bc7c1ab86d 100644
--- a/test/config/deps/test-dep-conditions/package.json
+++ b/test/config/deps/test-dep-conditions/package.json
@@ -3,6 +3,10 @@
   "type": "module",
   "private": true,
   "exports": {
+    "./custom": {
+      "custom": "./true.js",
+      "default": "./false.js"
+    },
     "./module": {
       "module": "./true.js",
       "default": "./false.js"
diff --git a/test/config/fixtures/conditions/basic.test.js b/test/config/fixtures/conditions/basic.test.js
index 0bcd6a1cfa56..dc27e253a954 100644
--- a/test/config/fixtures/conditions/basic.test.js
+++ b/test/config/fixtures/conditions/basic.test.js
@@ -1,4 +1,5 @@
 import { test, expect } from 'vitest';
+import conditionCustom from '@vitest/test-dep-conditions/custom';
 import conditionModule from '@vitest/test-dep-conditions/module';
 import conditionNode from '@vitest/test-dep-conditions/node';
 import conditionDevelopment from '@vitest/test-dep-conditions/development';
@@ -11,6 +12,7 @@ const viteMajor = Number(viteVersion.split('.')[0])
 
 test('conditions', () => {
   expect({
+    conditionCustom,
     conditionModule,
     conditionNode,
     conditionDevelopment,
@@ -18,11 +20,13 @@ test('conditions', () => {
     indirect
   }).toEqual(
     {
+      conditionCustom: true,
       "conditionDevelopment": true,
       "conditionModule": viteMajor <= 5,
       "conditionNode": true,
       "conditionProduction": false,
       "indirect": {
+        conditionCustom: true,
         "conditionDevelopment": true,
         "conditionModule": viteMajor <= 5 && inline,
         "conditionNode": true,
diff --git a/test/config/fixtures/conditions/vite.config.ts b/test/config/fixtures/conditions/vite.config.ts
index fbbe5930b11d..5e766dee63d9 100644
--- a/test/config/fixtures/conditions/vite.config.ts
+++ b/test/config/fixtures/conditions/vite.config.ts
@@ -4,4 +4,12 @@ export default defineConfig({
   define: {
     'import.meta.__IS_INLINE__': 'true',
   },
+  resolve: {
+    conditions: ['custom'],
+  },
+  ssr: {
+    resolve: {
+      conditions: ['custom'],
+    },
+  }
 })