diff --git a/modules/brandmetricsRtdProvider.js b/modules/brandmetricsRtdProvider.js
index 30844c9c483..bd7a33ff037 100644
--- a/modules/brandmetricsRtdProvider.js
+++ b/modules/brandmetricsRtdProvider.js
@@ -21,13 +21,14 @@ let billableEventsInitialized = false
 
 function init (config, userConsent) {
   const hasConsent = checkConsent(userConsent)
+  const initialize = hasConsent !== false
 
-  if (hasConsent) {
+  if (initialize) {
     const moduleConfig = getMergedConfig(config)
     initializeBrandmetrics(moduleConfig.params.scriptId)
     initializeBillableEvents()
   }
-  return hasConsent
+  return initialize
 }
 
 /**
@@ -36,33 +37,35 @@ function init (config, userConsent) {
  * @returns {boolean}
  */
 function checkConsent (userConsent) {
-  let consent = false
-
-  if (userConsent && userConsent.gdpr && userConsent.gdpr.gdprApplies) {
-    const gdpr = userConsent.gdpr
-
-    if (gdpr.vendorData) {
-      const vendor = gdpr.vendorData.vendor
-      const purpose = gdpr.vendorData.purpose
-
-      let vendorConsent = false
-      if (vendor.consents) {
-        vendorConsent = vendor.consents[GVL_ID]
+  let consent
+
+  if (userConsent) {
+    if (userConsent.gdpr && userConsent.gdpr.gdprApplies) {
+      const gdpr = userConsent.gdpr
+
+      if (gdpr.vendorData) {
+        const vendor = gdpr.vendorData.vendor
+        const purpose = gdpr.vendorData.purpose
+
+        let vendorConsent = false
+        if (vendor.consents) {
+          vendorConsent = vendor.consents[GVL_ID]
+        }
+
+        if (vendor.legitimateInterests) {
+          vendorConsent = vendorConsent || vendor.legitimateInterests[GVL_ID]
+        }
+
+        const purposes = TCF_PURPOSES.map(id => {
+          return (purpose.consents && purpose.consents[id]) || (purpose.legitimateInterests && purpose.legitimateInterests[id])
+        })
+        const purposesValid = purposes.filter(p => p === true).length === TCF_PURPOSES.length
+        consent = vendorConsent && purposesValid
       }
-
-      if (vendor.legitimateInterests) {
-        vendorConsent = vendorConsent || vendor.legitimateInterests[GVL_ID]
-      }
-
-      const purposes = TCF_PURPOSES.map(id => {
-        return (purpose.consents && purpose.consents[id]) || (purpose.legitimateInterests && purpose.legitimateInterests[id])
-      })
-      const purposesValid = purposes.filter(p => p === true).length === TCF_PURPOSES.length
-      consent = vendorConsent && purposesValid
+    } else if (userConsent.usp) {
+      const usp = userConsent.usp
+      consent = usp[1] !== 'N' && usp[2] !== 'Y'
     }
-  } else if (userConsent.usp) {
-    const usp = userConsent.usp
-    consent = usp[1] !== 'N' && usp[2] !== 'Y'
   }
 
   return consent
diff --git a/test/spec/modules/brandmetricsRtdProvider_spec.js b/test/spec/modules/brandmetricsRtdProvider_spec.js
index 907c672208f..72a2e4b029c 100644
--- a/test/spec/modules/brandmetricsRtdProvider_spec.js
+++ b/test/spec/modules/brandmetricsRtdProvider_spec.js
@@ -67,6 +67,8 @@ const NO_USP_CONSENT = {
   usp: '1NYY'
 };
 
+const UNDEFINED_USER_CONSENT = {};
+
 function mockSurveyLoaded(surveyConf) {
   const commands = window._brandmetrics || [];
   commands.forEach(command => {
@@ -120,6 +122,10 @@ describe('BrandmetricsRTD module', () => {
   it('should not init when there is no usp- consent', () => {
     expect(brandmetricsRTD.brandmetricsSubmodule.init(VALID_CONFIG, NO_USP_CONSENT)).to.equal(false);
   });
+
+  it('should init if there are no consent- objects defined', () => {
+    expect(brandmetricsRTD.brandmetricsSubmodule.init(VALID_CONFIG, UNDEFINED_USER_CONSENT)).to.equal(true);
+  });
 });
 
 describe('getBidRequestData', () => {