diff --git a/aws_log_parser/aws/s3.py b/aws_log_parser/aws/s3.py
index 962a158..969163a 100644
--- a/aws_log_parser/aws/s3.py
+++ b/aws_log_parser/aws/s3.py
@@ -43,7 +43,7 @@ def read_keys(self, bucket, prefix, endswith=None, regex_filter=None):
             if endswith and not file["Key"].endswith(endswith):
                 continue
 
-            if reo and not reo.match(file):
+            if reo and not reo.match(file["Key"]):
                 continue
 
             yield from self.read_key(bucket, file["Key"])
diff --git a/test/test_interface.py b/test/test_interface.py
index 1c397cc..6daa81c 100644
--- a/test/test_interface.py
+++ b/test/test_interface.py
@@ -28,7 +28,14 @@ def paginate(self, **_):
                     "ETag": '"37c13f9a66a79c2b474356adaf5da1d0"',
                     "Size": 2844,
                     "StorageClass": "STANDARD",
-                }
+                },
+                {
+                    "Key": f"csv-file.csv{suffix}",
+                    "LastModified": datetime.datetime(2021, 11, 28, 3, 31, 56, tzinfo=tzutc()),
+                    "ETag": '"37c13f9a66a79c2b474356adaf555555"',
+                    "Size": 2844,
+                    "StorageClass": "STANDARD",
+                },
             ],
         }
 
@@ -63,6 +70,16 @@ def cloudfront_parser():
     )
 
 
+def test_regex_filter(monkeypatch):
+    monkeypatch.setattr(S3Service, "client", MockS3Client())
+    aws_log_parser = AwsLogParser(
+        log_type=LogType.CloudFront,
+        regex_filter="cloudfront",
+    )
+    entries = aws_log_parser.read_url("s3://aws-logs-test-data/")
+    assert len(list(entries)) == 6
+
+
 def test_parse_file(cloudfront_parser):
     entries = cloudfront_parser.read_file("test/data/cloudfront-multiple.log")
     assert len(list(entries)) == 6