diff --git a/CHANGELOG.md b/CHANGELOG.md
index 34f49c95b44..f716f96c941 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 
+- Update sdk process resource detector `process.command_args` attribute to also include the executable itself
+  ([#4032](https://github.com/open-telemetry/opentelemetry-python/pull/4032))
 - Fix `start_time_unix_nano` for delta collection for explicit bucket histogram aggregation
   ([#4009](https://github.com/open-telemetry/opentelemetry-python/pull/4009))
 - Fix `start_time_unix_nano` for delta collection for sum aggregation
diff --git a/opentelemetry-sdk/src/opentelemetry/sdk/resources/__init__.py b/opentelemetry-sdk/src/opentelemetry/sdk/resources/__init__.py
index 77a0ca9618b..1fed32c0be5 100644
--- a/opentelemetry-sdk/src/opentelemetry/sdk/resources/__init__.py
+++ b/opentelemetry-sdk/src/opentelemetry/sdk/resources/__init__.py
@@ -348,7 +348,7 @@ def detect(self) -> "Resource":
         _process_executable_path = os.path.dirname(_process_executable_name)
         _process_command = sys.argv[0]
         _process_command_line = " ".join(sys.argv)
-        _process_command_args = sys.argv[1:]
+        _process_command_args = sys.argv
         resource_info = {
             PROCESS_RUNTIME_DESCRIPTION: sys.version,
             PROCESS_RUNTIME_NAME: sys.implementation.name,
diff --git a/opentelemetry-sdk/tests/resources/test_resources.py b/opentelemetry-sdk/tests/resources/test_resources.py
index a0c6159010d..8a42d0c6d0f 100644
--- a/opentelemetry-sdk/tests/resources/test_resources.py
+++ b/opentelemetry-sdk/tests/resources/test_resources.py
@@ -608,7 +608,7 @@ def test_process_detector(self):
         )
         self.assertEqual(
             aggregated_resource.attributes[PROCESS_COMMAND_ARGS],
-            tuple(sys.argv[1:]),
+            tuple(sys.argv),
         )
 
     def test_resource_detector_entry_points_default(self):