diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1087875acd..9be7b9b60b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -51,6 +51,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - `opentelemetry-instrumentation-botocore` Add type check when extracting tool use from Bedrock request message content
   ([#3548](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/3548))
 - `opentelemetry-instrumentation-dbapi` Respect suppress_instrumentation functionality ([#3460](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/3460))
+- `opentelemetry-resource-detector-container` Correctly parse container id when using systemd and cgroupsv1
+  ([#3429](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/3429))
 
 ### Breaking changes
 
diff --git a/resource/opentelemetry-resource-detector-container/src/opentelemetry/resource/detector/container/__init__.py b/resource/opentelemetry-resource-detector-container/src/opentelemetry/resource/detector/container/__init__.py
index 8e7db6a7a8..a25f4ce4f6 100644
--- a/resource/opentelemetry-resource-detector-container/src/opentelemetry/resource/detector/container/__init__.py
+++ b/resource/opentelemetry-resource-detector-container/src/opentelemetry/resource/detector/container/__init__.py
@@ -12,6 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+import re
 from logging import getLogger
 
 from opentelemetry.sdk.resources import Resource, ResourceDetector
@@ -31,9 +32,14 @@ def _get_container_id_v1():
         ) as container_info_file:
             for raw_line in container_info_file.readlines():
                 line = raw_line.strip()
-                if len(line) > _CONTAINER_ID_LENGTH:
-                    container_id = line[-_CONTAINER_ID_LENGTH:]
+
+                match = re.search(
+                    r"^.*/(?:.*[-:])?([0-9a-f]+)(?:\.|\s*$)", line
+                )
+                if match is not None:
+                    container_id = match.group(1)
                     break
+
     except FileNotFoundError as exception:
         logger.warning("Failed to get container id. Exception: %s", exception)
     return container_id
diff --git a/resource/opentelemetry-resource-detector-container/tests/test_container.py b/resource/opentelemetry-resource-detector-container/tests/test_container.py
index ac55afa291..ae831ee50e 100644
--- a/resource/opentelemetry-resource-detector-container/tests/test_container.py
+++ b/resource/opentelemetry-resource-detector-container/tests/test_container.py
@@ -51,6 +51,20 @@ def test_container_id_detect_from_cgroup_file(self, mock_cgroup_file):
             actual.attributes.copy(), MockContainerResourceAttributes
         )
 
+    @patch(
+        "builtins.open",
+        new_callable=mock_open,
+        read_data=f"""0::/system.slice/docker-{MockContainerResourceAttributes[ResourceAttributes.CONTAINER_ID]}.scope
+        """,
+    )
+    def test_container_id_detect_from_cgroup_file_with_suffix(
+        self, mock_cgroup_file
+    ):
+        actual = ContainerResourceDetector().detect()
+        self.assertDictEqual(
+            actual.attributes.copy(), MockContainerResourceAttributes
+        )
+
     @patch(
         "opentelemetry.resource.detector.container._get_container_id_v1",
         return_value=None,