diff --git a/moto/events/models.py b/moto/events/models.py
index 7d9b4d177..9f3cdec6a 100644
--- a/moto/events/models.py
+++ b/moto/events/models.py
@@ -287,6 +287,8 @@ class Archive(CloudFormationModel):
             if event_value not in pattern_value:
                 return False
 
+        return True
+
     def get_cfn_attribute(self, attribute_name):
         from moto.cloudformation.exceptions import UnformattedGetAttTemplateException
 
diff --git a/tests/test_events/test_events.py b/tests/test_events/test_events.py
index 8907fc752..cffd41228 100644
--- a/tests/test_events/test_events.py
+++ b/tests/test_events/test_events.py
@@ -1241,7 +1241,8 @@ def test_archive_actual_events():
     # given
     client = boto3.client("events", "eu-central-1")
     name = "test-archive"
-    name_2 = "test-archive-2"
+    name_2 = "test-archive-no-match"
+    name_3 = "test-archive-matches"
     event_bus_arn = "arn:aws:events:eu-central-1:{}:event-bus/default".format(
         ACCOUNT_ID
     )
@@ -1256,6 +1257,11 @@ def test_archive_actual_events():
         EventSourceArn=event_bus_arn,
         EventPattern=json.dumps({"DetailType": ["type"], "Source": ["test"]}),
     )
+    client.create_archive(
+        ArchiveName=name_3,
+        EventSourceArn=event_bus_arn,
+        EventPattern=json.dumps({"DetailType": ["type"], "Source": ["source"]}),
+    )
 
     # when
     response = client.put_events(Entries=[event])
@@ -1271,3 +1277,7 @@ def test_archive_actual_events():
     response = client.describe_archive(ArchiveName=name_2)
     response["EventCount"].should.equal(0)
     response["SizeBytes"].should.equal(0)
+
+    response = client.describe_archive(ArchiveName=name_3)
+    response["EventCount"].should.equal(1)
+    response["SizeBytes"].should.be.greater_than(0)