diff --git a/src/cdk/v2/destinations/heap/procWorkflow.yaml b/src/cdk/v2/destinations/heap/procWorkflow.yaml
index ac12e7e02a..6e038bc66d 100644
--- a/src/cdk/v2/destinations/heap/procWorkflow.yaml
+++ b/src/cdk/v2/destinations/heap/procWorkflow.yaml
@@ -22,7 +22,7 @@ steps:
       $.assert(.message.traits ?? .message.context.traits, "traits are required");
       $.context.endpoint = 'https://heapanalytics.com/api/add_user_properties';
       $.context.payload = .message.({
-        identity: {{{{$.getGenericPaths("userId")}}}},
+        identity: {{{{$.getGenericPaths("userId", "||")}}}},
         properties: $.flattenJson(.traits ?? .context.traits){~["idempotencyKey"]},
         app_id: ^.destination.Config.appId
       })
@@ -32,7 +32,7 @@ steps:
       $.assert(.message.event, "event is required");
       $.context.endpoint = 'https://heapanalytics.com/api/track';
       $.context.payload = .message.({
-        identity: {{{{$.getGenericPaths("userId")}}}},
+        identity: {{{{$.getGenericPaths("userId", "||")}}}},
         properties: $.flattenJson(.properties){~["idempotencyKey"]},
         app_id: ^.destination.Config.appId,
         event: .event,
diff --git a/test/integrations/destinations/heap/processor/data.ts b/test/integrations/destinations/heap/processor/data.ts
index f503134148..cb1aeb7563 100644
--- a/test/integrations/destinations/heap/processor/data.ts
+++ b/test/integrations/destinations/heap/processor/data.ts
@@ -117,6 +117,124 @@ export const data = [
       },
     },
   },
+  {
+    name: 'heap',
+    description: 'Blank user id',
+    feature: 'processor',
+    module: 'destination',
+    version: 'v0',
+    input: {
+      request: {
+        body: [
+          {
+            destination: {
+              Config: {
+                appId: '<app id>',
+              },
+              DestinationDefinition: {
+                Config: {
+                  cdkV2Enabled: true,
+                },
+                DisplayName: 'Heap.io',
+                ID: '1WTbl0l5GjOQKOvfmcGwk0T49kV',
+                Name: 'HEAP',
+              },
+              Enabled: true,
+              ID: '1WTcDSEOE437e4ePH10BJNELXmE',
+              Name: 'heap test',
+              Transformations: [],
+            },
+            metadata: {
+              destinationId: 'destId',
+              workspaceId: 'wspId',
+            },
+            message: {
+              userId: '',
+              anonymousId: 'sampath',
+              channel: 'web',
+              context: {
+                app: {
+                  build: '1.0.0',
+                  name: 'RudderLabs JavaScript SDK',
+                  namespace: 'com.rudderlabs.javascript',
+                  version: '1.0.0',
+                },
+                ip: '0.0.0.0',
+                library: {
+                  name: 'RudderLabs JavaScript SDK',
+                  version: '1.0.0',
+                },
+                locale: 'en-US',
+                os: {
+                  name: '',
+                  version: '',
+                },
+                screen: {
+                  density: 2,
+                },
+                userAgent:
+                  'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.88 Safari/537.36',
+              },
+              integrations: {
+                All: true,
+              },
+              traits: {
+                anonymousId: 'sampath',
+                email: 'sampath@gmail.com',
+              },
+              messageId: 'fca2e71a-5d30-48e1-ba45-761c16e3820f',
+              originalTimestamp: '2020-01-16T13:21:59.076Z',
+              receivedAt: '2020-01-16T18:52:03.871+05:30',
+              request_ip: '[::1]:62312',
+              sentAt: '2020-01-16T13:22:03.85Z',
+              timestamp: '2020-01-16T18:51:59.097+05:30',
+              type: 'identify',
+            },
+          },
+        ],
+      },
+    },
+    output: {
+      response: {
+        status: 200,
+        body: [
+          {
+            output: {
+              version: '1',
+              type: 'REST',
+              method: 'POST',
+              endpoint: 'https://heapanalytics.com/api/add_user_properties',
+              headers: {
+                'Content-Type': 'application/json',
+                Accept: 'application/json',
+              },
+              params: {},
+              body: {
+                JSON: {
+                  identity: 'sampath',
+                  properties: {
+                    anonymousId: 'sampath',
+                    email: 'sampath@gmail.com',
+                  },
+                  app_id: '<app id>',
+                },
+                XML: {},
+                JSON_ARRAY: {},
+                FORM: {},
+              },
+              files: {},
+              userId: 'sampath',
+            },
+            statusCode: 200,
+            metadata: {
+              destinationId: 'destId',
+              workspaceId: 'wspId',
+            },
+          },
+        ],
+      },
+    },
+  },
   {
     name: 'heap',
     description: 'Test 1',