diff --git a/src/rules/javascript/content-scripts-file-absent.js b/src/rules/javascript/content-scripts-file-absent.js
index 4a83c102..b5b092c4 100644
--- a/src/rules/javascript/content-scripts-file-absent.js
+++ b/src/rules/javascript/content-scripts-file-absent.js
@@ -1,8 +1,11 @@
-import { isBrowserNamespace, normalizePath } from 'utils';
+import * as path from 'path';
+
+import { isBrowserNamespace } from 'utils';
 import { CONTENT_SCRIPT_NOT_FOUND, CONTENT_SCRIPT_EMPTY } from 'messages/javascript';
 
 export default {
   create(context) {
+    const dirname = path.dirname(context.getFilename());
     const existingFiles = context.settings.existingFiles || {};
     return {
       MemberExpression(node) {
@@ -36,9 +39,15 @@ export default {
             });
             return;
           }
-          const normalizedName = normalizePath(fileValue);
+          let normalizedName = path.resolve(dirname, fileValue);
+          if (path.isAbsolute(fileValue)) {
+            normalizedName = path.join(path.resolve('.'), path.normalize(fileValue));
+          }
+          let existingFileNames = Object.keys(existingFiles);
+          existingFileNames = existingFileNames.map((fileName) => path.resolve(fileName));
+
           // If file exists then we are good.
-          if (Object.prototype.hasOwnProperty.call(existingFiles, normalizedName)) {
+          if (existingFileNames.includes(normalizedName)) {
             return;
           }
           // File not exists report an issue.
diff --git a/tests/rules/javascript/test.content_scripts_file_absent.js b/tests/rules/javascript/test.content_scripts_file_absent.js
index 1d5d59a6..9104fb99 100644
--- a/tests/rules/javascript/test.content_scripts_file_absent.js
+++ b/tests/rules/javascript/test.content_scripts_file_absent.js
@@ -34,9 +34,20 @@ describe('content_scripts_file_absent', () => {
   });
 
   it('should not show an error when content script file exists', async () => {
-    const code = `browser.tabs.executeScript({ file: '/content_scripts/existingFile.js' });`;
+    const code = `
+      browser.tabs.executeScript({ file: '/content_scripts/existingFile.js' });
+
+      // File path is relative to current file.
+      browser.tabs.executeScript({ file: 'anotherFolder/contentScript.js' });
+      browser.tabs.executeScript({ file: 'contentScript.js' });
+    `;
     const fileRequiresContentScript = 'file-requires-content-script.js';
-    const jsScanner = createJsScanner(code, fileRequiresContentScript, { 'content_scripts/existingFile.js': '' });
+    const existingFiles = {
+      'content_scripts/existingFile.js': '',
+      'anotherFolder/contentScript.js': '',
+      'contentScript.js': '',
+    };
+    const jsScanner = createJsScanner(code, fileRequiresContentScript, existingFiles);
 
     const { linterMessages } = await jsScanner.scan();
     expect(linterMessages).toEqual([]);