diff --git a/packages/GA4Client/src/common.js b/packages/GA4Client/src/common.js
index b993332..c99ff76 100644
--- a/packages/GA4Client/src/common.js
+++ b/packages/GA4Client/src/common.js
@@ -58,11 +58,7 @@ Common.prototype.truncateAttributes = function (
 
     if (!isEmpty(attributes)) {
         Object.keys(attributes).forEach(function (attribute) {
-            var standardizedKey = attribute.replace(
-                FORBIDDEN_CHARACTERS_REGEX,
-                '_'
-            );
-            var key = truncateString(standardizedKey, keyLimit);
+            var key = truncateString(attribute, keyLimit);
             var val = truncateString(attributes[attribute], valueLimit);
             truncatedAttributes[key] = val;
         });
diff --git a/packages/GA4Client/test/src/tests.js b/packages/GA4Client/test/src/tests.js
index d4f0350..758d82d 100644
--- a/packages/GA4Client/test/src/tests.js
+++ b/packages/GA4Client/test/src/tests.js
@@ -1571,6 +1571,29 @@ describe('Google Analytics 4 Event', function () {
                 done();
             });
 
+            it('should not standardize event names and event attributes if data cleansing is not enabled', function (done) {
+                mParticle.forwarder.process({
+                    EventDataType: MessageType.PageEvent,
+                    EventCategory: EventType.Navigation,
+                    EventName: '2?Test Event ?Standardization',
+                    EventAttributes: {
+                        foo: 'bar',
+                        '1?test4ever!!!': 'tester',
+                    },
+                });
+
+                var expectedEventName = '2?Test Event ?Standardization';
+
+                var expectedEventAttributes = {
+                    foo: 'bar',
+                    '1?test4ever!!!': 'tester',
+                };
+
+                window.dataLayer[0][1].should.eql(expectedEventName);
+                window.dataLayer[0][2].should.eql(expectedEventAttributes);
+                done();
+            });
+
             // This test exist for backwards compatibility of custom flags carried
             // over from legacy Google Analytics - Google.Title and Google.Location
             it('should log page view with legacy GA custom flags', function (done) {