diff --git a/chrome/content/zotero/tools/testTranslators/translatorTester.js b/chrome/content/zotero/tools/testTranslators/translatorTester.js
index 1c979dd65a..5bb871fbdb 100644
--- a/chrome/content/zotero/tools/testTranslators/translatorTester.js
+++ b/chrome/content/zotero/tools/testTranslators/translatorTester.js
@@ -54,12 +54,9 @@ Zotero_TranslatorTester = function(translator, type, debug) {
 	var testStart = code.indexOf("/** BEGIN TEST CASES **/");
 	var testEnd   = code.indexOf("/** END TEST CASES **/"); 
 	if (testStart !== -1 && testEnd !== -1) {
-		var test = code.substring(testStart + 24, testEnd);
-		test = test.replace(/var testCases = /,'').trim();
-		// The JSON parser doesn't like final semicolons
-		if (test.lastIndexOf(';') == (test.length-1)) {
-			test = test.slice(0,-1);
-		}
+		var test = code.substring(testStart + 24, testEnd)
+			.replace(/^[\s\r\n]*var testCases = /, '')
+			.replace(/;[\s\r\n]*$/, '');
 		try {
 			var testObject = JSON.parse(test);
 		} catch (e) {