diff --git a/logprep/abc/connector.py b/logprep/abc/connector.py
index b2aea14dc..20f5dcb6c 100644
--- a/logprep/abc/connector.py
+++ b/logprep/abc/connector.py
@@ -36,9 +36,20 @@ class Metrics(Component.Metrics):
         )
         """Time in seconds that it took to process an event"""
 
-        number_of_warnings: int = 0
+        number_of_warnings: CounterMetric = field(
+            factory=lambda: CounterMetric(
+                description="Number of errors that occurred while processing events",
+                name="number_of_warnings",
+            )
+        )
         """Number of warnings that occurred while processing events"""
-        number_of_errors: int = 0
+
+        number_of_errors: CounterMetric = field(
+            factory=lambda: CounterMetric(
+                description="Number of errors that occurred while processing events",
+                name="number_of_errors",
+            )
+        )
         """Number of errors that occurred while processing events"""
 
     __slots__ = ["metrics"]
diff --git a/logprep/processor/base/rule.py b/logprep/processor/base/rule.py
index 6ea150096..d945c2e91 100644
--- a/logprep/processor/base/rule.py
+++ b/logprep/processor/base/rule.py
@@ -224,10 +224,10 @@ class Metrics(Component.Metrics):
         number_of_warnings: CounterMetric = field(
             factory=lambda: CounterMetric(
                 description="Number of errors that occurred while processing events",
-                name="number_of_errors",
+                name="number_of_warnings",
             )
         )
-        """Number of errors that occurred while processing events"""
+        """Number of warnings that occurred while processing events"""
 
         number_of_errors: CounterMetric = field(
             factory=lambda: CounterMetric(
diff --git a/tests/unit/component/base.py b/tests/unit/component/base.py
index 06529d551..8cba0375a 100644
--- a/tests/unit/component/base.py
+++ b/tests/unit/component/base.py
@@ -75,6 +75,9 @@ def test_custom_metrics_adds_custom_prefix_to_metrics_name(self):
             "_prefix",
             "processing_time_per_event",
             "number_of_processed_events",
+            "number_of_failed_events",
+            "number_of_warnings",
+            "number_of_errors",
         ]
         metric_attributes = asdict(
             self.object.metrics,
diff --git a/tests/unit/processor/base.py b/tests/unit/processor/base.py
index 3f59855d6..0f7e92cde 100644
--- a/tests/unit/processor/base.py
+++ b/tests/unit/processor/base.py
@@ -4,17 +4,15 @@
 
 import itertools
 import json
-import re
 from copy import deepcopy
-from functools import partial
 from logging import getLogger
 from pathlib import Path
-from typing import Callable
 from unittest import mock
 
 import pytest
 import requests
 import responses
+from attrs import asdict
 from ruamel.yaml import YAML
 
 from logprep.abc.processor import Processor
@@ -278,3 +276,11 @@ def test_raises_http_error(self):
     def test_rule_has_metric(self, metric_name, metric_class):
         metric_instance = getattr(self.object.rules[0].metrics, metric_name)
         assert isinstance(metric_instance, metric_class)
+
+    def test_no_metrics_with_same_name(self):
+        metric_attributes = asdict(
+            self.object.rules[0].metrics, filter=self.asdict_filter, recurse=False
+        )
+        pairs = itertools.combinations(metric_attributes.values(), 2)
+        for metric1, metric2 in pairs:
+            assert metric1.name != metric2.name, f"{metric1.name} == {metric2.name}"