diff --git a/src/injected/textSelectorEngine.ts b/src/injected/textSelectorEngine.ts
index 7ca13b05f2..6bfb1b2cf1 100644
--- a/src/injected/textSelectorEngine.ts
+++ b/src/injected/textSelectorEngine.ts
@@ -80,6 +80,6 @@ function createMatcher(selector: string): Matcher {
     const re = new RegExp(selector.substring(1, lastSlash), selector.substring(lastSlash + 1));
     return text => re.test(text);
   }
-  selector = selector.trim();
-  return text => text.trim() === selector;
+  selector = selector.trim().toLowerCase();
+  return text => text.trim().toLowerCase() === selector;
 }
diff --git a/test/queryselector.spec.js b/test/queryselector.spec.js
index 27161b4f69..00ce686741 100644
--- a/test/queryselector.spec.js
+++ b/test/queryselector.spec.js
@@ -523,6 +523,11 @@ module.exports.describe = function({testRunner, expect, selectors, FFOX, CHROMIU
       await page.setContent(`<div> "yo <div></div>ya</div>`);
       expect(await selectors._createSelector('text', await page.$('div'))).toBe('" \\"yo "');
     });
+    it('should be case sensitive iff quotes are sepcified', async({page}) => {
+      await page.setContent(`<div>yo</div><div>ya</div><div>\nye  </div>`);
+      expect(await page.$eval(`text=yA`, e => e.outerHTML)).toBe('<div>ya</div>');
+      expect(await page.$(`text="yA"`)).toBe(null);
+    });
   });
 
   describe('selectors.register', () => {