diff --git a/prowler/lib/outputs/ocsf/ocsf.py b/prowler/lib/outputs/ocsf/ocsf.py
index d7ee58cd9c..48b44c6b00 100644
--- a/prowler/lib/outputs/ocsf/ocsf.py
+++ b/prowler/lib/outputs/ocsf/ocsf.py
@@ -57,14 +57,16 @@ class OCSF(Output):
             if not findings:
                 return
 
-            scan_ids_by_provider = {}
+            scan_ids_by_provider_account = {}
             for finding in findings:
                 provider = finding.metadata.Provider
-                if provider not in scan_ids_by_provider:
-                    scan_ids_by_provider[provider] = _uuid7_from_timestamp(
+                account_uid = finding.account_uid
+                scan_key = (provider, account_uid)
+                if scan_key not in scan_ids_by_provider_account:
+                    scan_ids_by_provider_account[scan_key] = _uuid7_from_timestamp(
                         finding.timestamp
                     )
-                scan_id = scan_ids_by_provider[provider]
+                scan_id = scan_ids_by_provider_account[scan_key]
                 finding_activity = ActivityID.Create
                 cloud_account_type = self.get_account_type_id_by_provider(
                     finding.metadata.Provider
diff --git a/tests/lib/outputs/ocsf/ocsf_test.py b/tests/lib/outputs/ocsf/ocsf_test.py
index f9ea61ec82..3199443b13 100644
--- a/tests/lib/outputs/ocsf/ocsf_test.py
+++ b/tests/lib/outputs/ocsf/ocsf_test.py
@@ -123,11 +123,11 @@ class TestOCSF:
             1619600000, tz=timezone.utc
         )
 
-    def test_scan_id_is_unique_per_provider(self):
+    def test_scan_id_is_unique_per_provider_and_account(self):
         findings = [
-            generate_finding_output(provider="aws"),
-            generate_finding_output(provider="azure"),
-            generate_finding_output(provider="aws"),
+            generate_finding_output(provider="aws", account_uid="111111111111"),
+            generate_finding_output(provider="aws", account_uid="222222222222"),
+            generate_finding_output(provider="aws", account_uid="111111111111"),
         ]
 
         ocsf = OCSF(findings)