diff --git a/src/main/java/tech/jhipster/lite/generator/client/react/core/domain/ReactCoreModulesFactory.java b/src/main/java/tech/jhipster/lite/generator/client/react/core/domain/ReactCoreModulesFactory.java
index 86467a94cb2..cba6bb557af 100644
--- a/src/main/java/tech/jhipster/lite/generator/client/react/core/domain/ReactCoreModulesFactory.java
+++ b/src/main/java/tech/jhipster/lite/generator/client/react/core/domain/ReactCoreModulesFactory.java
@@ -186,14 +186,16 @@ private Consumer<JHipsterModuleBuilder> patchVitestConfig(JHipsterModuleProperti
           .add(lineAfterRegex("from 'vitest/config';"), "import react from '@vitejs/plugin-react';")
           .add(text("plugins: ["), "plugins: [react(), ")
           .add(text("environment: 'node',"), "environment: 'jsdom',")
-          .add(vitestCoverageExclusion(properties,"src/main/webapp/app/index.tsx"))
-          .add(vitestCoverageExclusion(properties,"src/main/webapp/app/injections.ts"))
+          .add(vitestCoverageExclusion("src/main/webapp/app/index.tsx"))
+          .add(vitestCoverageExclusion("src/main/webapp/app/injections.ts"))
           .and();
     //@formatter:on
   }
 
-  private static MandatoryReplacer vitestCoverageExclusion(JHipsterModuleProperties properties, String filePattern) {
-    Indentation indentation = properties.indentation();
-    return new MandatoryReplacer(lineAfterRegex("configDefaults.coverage.exclude"), indentation.times(4) + "'" + filePattern + "',");
+  private static MandatoryReplacer vitestCoverageExclusion(String filePattern) {
+    return new MandatoryReplacer(
+      text("(configDefaults.coverage.exclude as string[])"),
+      "(configDefaults.coverage.exclude as string[])" + ", '" + filePattern + "'"
+    );
   }
 }
diff --git a/src/main/java/tech/jhipster/lite/generator/client/vue/core/domain/VueModulesFactory.java b/src/main/java/tech/jhipster/lite/generator/client/vue/core/domain/VueModulesFactory.java
index 6119d26c382..68f575c4f2a 100644
--- a/src/main/java/tech/jhipster/lite/generator/client/vue/core/domain/VueModulesFactory.java
+++ b/src/main/java/tech/jhipster/lite/generator/client/vue/core/domain/VueModulesFactory.java
@@ -185,17 +185,19 @@ private Consumer<JHipsterModuleBuilder> patchVitestConfig(JHipsterModuleProperti
           .add(lineAfterRegex("from 'vitest/config';"), "import vue from '@vitejs/plugin-vue';")
           .add(text("plugins: ["), "plugins: [vue(), ")
           .add(text("environment: 'node',"), "environment: 'jsdom',")
-          .add(vitestCoverageExclusion(properties,"src/main/webapp/**/*.component.ts"))
-          .add(vitestCoverageExclusion(properties,"src/main/webapp/app/router.ts"))
-          .add(vitestCoverageExclusion(properties,"src/main/webapp/app/injections.ts"))
-          .add(vitestCoverageExclusion(properties,"src/main/webapp/app/main.ts"))
+          .add(vitestCoverageExclusion("src/main/webapp/**/*.component.ts"))
+          .add(vitestCoverageExclusion("src/main/webapp/app/router.ts"))
+          .add(vitestCoverageExclusion("src/main/webapp/app/injections.ts"))
+          .add(vitestCoverageExclusion("src/main/webapp/app/main.ts"))
         .and();
     //@formatter:on
   }
 
-  private static MandatoryReplacer vitestCoverageExclusion(JHipsterModuleProperties properties, String filePattern) {
-    Indentation indentation = properties.indentation();
-    return new MandatoryReplacer(lineAfterRegex("configDefaults.coverage.exclude"), indentation.times(4) + "'" + filePattern + "',");
+  private static MandatoryReplacer vitestCoverageExclusion(String filePattern) {
+    return new MandatoryReplacer(
+      text("(configDefaults.coverage.exclude as string[])"),
+      "(configDefaults.coverage.exclude as string[])" + ", '" + filePattern + "'"
+    );
   }
 
   public JHipsterModule buildPiniaModule(JHipsterModuleProperties properties) {
diff --git a/src/main/resources/generator/typescript/vitest.config.ts.mustache b/src/main/resources/generator/typescript/vitest.config.ts.mustache
index 30452b097ad..eef80168bae 100644
--- a/src/main/resources/generator/typescript/vitest.config.ts.mustache
+++ b/src/main/resources/generator/typescript/vitest.config.ts.mustache
@@ -28,9 +28,7 @@ export default defineConfig({
         100: true,
       },
       include: ['src/main/webapp/**/*.ts?(x)'],
-      exclude: [
-        ...configDefaults.coverage.exclude as string[],
-      ],
+      exclude: [...(configDefaults.coverage.exclude as string[])],
       provider: 'istanbul',
       reportsDirectory: '{{projectBuildDirectory}}/test-results/',
       reporter: ['html', 'json-summary', 'text', 'text-summary', 'lcov', 'clover'],
diff --git a/src/test/java/tech/jhipster/lite/generator/client/vue/core/domain/VueModulesFactoryTest.java b/src/test/java/tech/jhipster/lite/generator/client/vue/core/domain/VueModulesFactoryTest.java
index e246e6ae9cf..48c462f8803 100644
--- a/src/test/java/tech/jhipster/lite/generator/client/vue/core/domain/VueModulesFactoryTest.java
+++ b/src/test/java/tech/jhipster/lite/generator/client/vue/core/domain/VueModulesFactoryTest.java
@@ -79,7 +79,7 @@ void shouldCreateVueModule() {
             """
         )
       .and()
-      .hasPrefixedFiles("", "eslint.config.js", "tsconfig.build.json", "vite.config.ts", "vitest.config.ts")
+      .hasPrefixedFiles("", "eslint.config.js", "tsconfig.build.json", "vite.config.ts")
       .hasFile("tsconfig.json")
         .matchingSavedSnapshot()
         .and()
diff --git a/src/test/resources/tech/jhipster/lite/generator/client/react/core/domain/ReactCoreModulesFactoryTest.shouldBuildModuleWithStyle.vitest.config.ts.approved.txt b/src/test/resources/tech/jhipster/lite/generator/client/react/core/domain/ReactCoreModulesFactoryTest.shouldBuildModuleWithStyle.vitest.config.ts.approved.txt
index c155fa13132..87ad4ca73b1 100644
--- a/src/test/resources/tech/jhipster/lite/generator/client/react/core/domain/ReactCoreModulesFactoryTest.shouldBuildModuleWithStyle.vitest.config.ts.approved.txt
+++ b/src/test/resources/tech/jhipster/lite/generator/client/react/core/domain/ReactCoreModulesFactoryTest.shouldBuildModuleWithStyle.vitest.config.ts.approved.txt
@@ -29,11 +29,7 @@ export default defineConfig({
         100: true,
       },
       include: ['src/main/webapp/**/*.ts?(x)'],
-      exclude: [
-        ...configDefaults.coverage.exclude as string[],
-        'src/main/webapp/app/injections.ts',
-        'src/main/webapp/app/index.tsx',
-      ],
+      exclude: [...(configDefaults.coverage.exclude as string[]), 'src/main/webapp/app/injections.ts', 'src/main/webapp/app/index.tsx'],
       provider: 'istanbul',
       reportsDirectory: 'target/test-results/',
       reporter: ['html', 'json-summary', 'text', 'text-summary', 'lcov', 'clover'],
diff --git a/src/test/resources/tech/jhipster/lite/generator/client/vue/core/domain/VueModulesFactoryTest.shouldCreateVueModule.vitest.config.ts.approved.txt b/src/test/resources/tech/jhipster/lite/generator/client/vue/core/domain/VueModulesFactoryTest.shouldCreateVueModule.vitest.config.ts.approved.txt
index 6307b1faa2d..bb802095c8d 100644
--- a/src/test/resources/tech/jhipster/lite/generator/client/vue/core/domain/VueModulesFactoryTest.shouldCreateVueModule.vitest.config.ts.approved.txt
+++ b/src/test/resources/tech/jhipster/lite/generator/client/vue/core/domain/VueModulesFactoryTest.shouldCreateVueModule.vitest.config.ts.approved.txt
@@ -29,13 +29,7 @@ export default defineConfig({
         100: true,
       },
       include: ['src/main/webapp/**/*.ts?(x)'],
-      exclude: [
-        ...configDefaults.coverage.exclude as string[],
-        'src/main/webapp/app/main.ts',
-        'src/main/webapp/app/injections.ts',
-        'src/main/webapp/app/router.ts',
-        'src/main/webapp/**/*.component.ts',
-      ],
+      exclude: [...(configDefaults.coverage.exclude as string[]), 'src/main/webapp/app/main.ts', 'src/main/webapp/app/injections.ts', 'src/main/webapp/app/router.ts', 'src/main/webapp/**/*.component.ts'],
       provider: 'istanbul',
       reportsDirectory: 'target/test-results/',
       reporter: ['html', 'json-summary', 'text', 'text-summary', 'lcov', 'clover'],