diff --git a/packages/knip/src/plugins/vite/index.ts b/packages/knip/src/plugins/vite/index.ts
index 00180914a..4c3aedf0d 100644
--- a/packages/knip/src/plugins/vite/index.ts
+++ b/packages/knip/src/plugins/vite/index.ts
@@ -13,7 +13,7 @@ export const ENABLERS = ['vite'];
 
 export const isEnabled: IsPluginEnabledCallback = ({ dependencies }) => hasDependency(dependencies, ENABLERS);
 
-export const CONFIG_FILE_PATTERNS = ['vite.config.{js,mjs,ts,cjs,mts,cts}'];
+export const CONFIG_FILE_PATTERNS = ['vite*.config.{js,mjs,ts,cjs,mts,cts}'];
 
 const findViteDependencies: GenericPluginCallback = async (configFilePath, options) => {
   const localConfig: ViteConfigOrFn | undefined = await load(configFilePath);
diff --git a/packages/knip/src/plugins/vitest/index.ts b/packages/knip/src/plugins/vitest/index.ts
index 374783606..e1cb86e60 100644
--- a/packages/knip/src/plugins/vitest/index.ts
+++ b/packages/knip/src/plugins/vitest/index.ts
@@ -22,7 +22,7 @@ export const ENABLERS = ['vitest'];
 export const isEnabled: IsPluginEnabledCallback = ({ dependencies }) => hasDependency(dependencies, ENABLERS);
 
 export const CONFIG_FILE_PATTERNS = [
-  'vitest.config.{js,mjs,ts,cjs,mts,cts}',
+  'vitest*.config.{js,mjs,ts,cjs,mts,cts}',
   'vitest.{workspace,projects}.{ts,js,json}',
 ];
 
diff --git a/packages/knip/test/plugins/vitest.test.ts b/packages/knip/test/plugins/vitest.test.ts
index 29b924b08..95762b486 100644
--- a/packages/knip/test/plugins/vitest.test.ts
+++ b/packages/knip/test/plugins/vitest.test.ts
@@ -47,14 +47,16 @@ test('Find dependencies in vitest configuration', async () => {
   });
 
   assert(issues.unlisted['vitest.workspace.ts']['@edge-runtime/vm']);
+  assert(issues.unlisted['vitest-default-coverage.config.ts']['jsdom']);
+  assert(issues.unlisted['vitest-default-coverage.config.ts']['@vitest/coverage-v8']);
   assert(issues.unlisted['vitest.config.ts']['happy-dom']);
   assert(issues.unlisted['vitest.config.ts']['@vitest/coverage-istanbul']);
   assert(issues.unlisted['vitest.config.ts']['setup.js']);
 
   assert.deepEqual(counters, {
     ...baseCounters,
-    files: 2,
-    unlisted: 4,
+    files: 1,
+    unlisted: 6,
     processed: 6,
     total: 6,
   });