diff --git a/packages/eslint/src/generators/convert-to-flat-config/generator.spec.ts b/packages/eslint/src/generators/convert-to-flat-config/generator.spec.ts
index 90c2b0e1ba0c3..7be0447a0c1b4 100644
--- a/packages/eslint/src/generators/convert-to-flat-config/generator.spec.ts
+++ b/packages/eslint/src/generators/convert-to-flat-config/generator.spec.ts
@@ -1,6 +1,7 @@
 import { createTreeWithEmptyWorkspace } from '@nx/devkit/testing';
 import {
   NxJsonConfiguration,
+  ProjectConfiguration,
   Tree,
   addProjectConfiguration,
   readJson,
@@ -430,4 +431,67 @@ describe('convert-to-flat-config generator', () => {
       "
     `);
   });
+
+  it('should convert project if target is defined via plugin as string', async () => {
+    await lintProjectGenerator(tree, {
+      skipFormat: false,
+      linter: Linter.EsLint,
+      project: 'test-lib',
+      setParserOptionsProject: false,
+    });
+    updateJson(tree, 'nx.json', (json: NxJsonConfiguration) => {
+      delete json.targetDefaults;
+      json.plugins = ['@nx/eslint/plugin'];
+      return json;
+    });
+    updateJson(
+      tree,
+      'libs/test-lib/project.json',
+      (json: ProjectConfiguration) => {
+        delete json.targets.lint;
+        return json;
+      }
+    );
+
+    expect(tree.exists('eslint.config.js')).toBeFalsy();
+    expect(tree.exists('libs/test-lib/eslint.config.js')).toBeFalsy();
+    await convertToFlatConfigGenerator(tree, options);
+    expect(tree.exists('eslint.config.js')).toBeTruthy();
+    expect(tree.exists('libs/test-lib/eslint.config.js')).toBeTruthy();
+  });
+
+  it('should convert project if target is defined via plugin as object', async () => {
+    await lintProjectGenerator(tree, {
+      skipFormat: false,
+      linter: Linter.EsLint,
+      project: 'test-lib',
+      setParserOptionsProject: false,
+    });
+    updateJson(tree, 'nx.json', (json: NxJsonConfiguration) => {
+      delete json.targetDefaults;
+      json.plugins = [
+        {
+          plugin: '@nx/eslint/plugin',
+          options: {
+            targetName: 'lint',
+          },
+        },
+      ];
+      return json;
+    });
+    updateJson(
+      tree,
+      'libs/test-lib/project.json',
+      (json: ProjectConfiguration) => {
+        delete json.targets.lint;
+        return json;
+      }
+    );
+
+    expect(tree.exists('eslint.config.js')).toBeFalsy();
+    expect(tree.exists('libs/test-lib/eslint.config.js')).toBeFalsy();
+    await convertToFlatConfigGenerator(tree, options);
+    expect(tree.exists('eslint.config.js')).toBeTruthy();
+    expect(tree.exists('libs/test-lib/eslint.config.js')).toBeTruthy();
+  });
 });
diff --git a/packages/eslint/src/generators/convert-to-flat-config/generator.ts b/packages/eslint/src/generators/convert-to-flat-config/generator.ts
index 06e752a8bff59..6262a34185ac3 100644
--- a/packages/eslint/src/generators/convert-to-flat-config/generator.ts
+++ b/packages/eslint/src/generators/convert-to-flat-config/generator.ts
@@ -88,7 +88,9 @@ function convertProjectToFlatConfig(
   if (eslintFile && !eslintFile.endsWith('.js')) {
     if (projectConfig.targets) {
       const eslintTargets = Object.keys(projectConfig.targets || {}).filter(
-        (t) => projectConfig.targets[t].executor === '@nx/eslint:lint'
+        (t) =>
+          projectConfig.targets[t].executor === '@nx/eslint:lint' ||
+          projectConfig.targets[t].command?.includes('eslint')
       );
       let ignorePath: string | undefined;
       for (const target of eslintTargets) {
@@ -102,13 +104,20 @@ function convertProjectToFlatConfig(
         }
         updateProjectConfiguration(tree, project, projectConfig);
       }
-      const nxHasLintTargets = Object.keys(nxJson.targetDefaults || {}).some(
+      const nxHasEsLintTargets = Object.keys(nxJson.targetDefaults || {}).some(
         (t) =>
           (t === '@nx/eslint:lint' ||
-            nxJson.targetDefaults[t].executor === '@nx/eslint:lint') &&
+            nxJson.targetDefaults[t].executor === '@nx/eslint:lint' ||
+            nxJson.targetDefaults[t].command?.includes('eslint')) &&
           projectConfig.targets?.[t]
       );
-      if (nxHasLintTargets || eslintTargets.length > 0) {
+      const nxHasEsLintPlugin = (nxJson.plugins || []).some((p) =>
+        typeof p === 'string'
+          ? p === '@nx/eslint/plugin'
+          : p.plugin === '@nx/eslint/plugin'
+      );
+
+      if (nxHasEsLintTargets || nxHasEsLintPlugin || eslintTargets.length > 0) {
         convertConfigToFlatConfig(
           tree,
           projectConfig.root,