diff --git a/src/components/pebble_component.py b/src/components/pebble_component.py
index 672ccc7..0237629 100644
--- a/src/components/pebble_component.py
+++ b/src/components/pebble_component.py
@@ -45,6 +45,11 @@ def get_layer(self) -> Layer:
                             "MINIO_PROMETHEUS_AUTH_TYPE": "public",
                             "MINIO_ROOT_USER": inputs.MINIO_ROOT_USER,
                             "MINIO_ROOT_PASSWORD": inputs.MINIO_ROOT_PASSWORD,
+                            # Needed to ensure the Pod won't accidentally assume
+                            # other IAM credentials (relevant for gateway mode on EKS only)
+                            # https://github.com/canonical/kfp-operators/issues/785
+                            "AWS_ACCESS_KEY_ID": inputs.MINIO_ROOT_USER,
+                            "AWS_SECRET_ACCESS_KEY": inputs.MINIO_ROOT_PASSWORD,
                         },
                     }
                 },
diff --git a/tests/unit/test_charm.py b/tests/unit/test_charm.py
index c30173f..09f48b3 100644
--- a/tests/unit/test_charm.py
+++ b/tests/unit/test_charm.py
@@ -199,6 +199,8 @@ def test_server_minio_args(harness, mock_kubernetes_service_patched):
     assert environment["MINIO_ROOT_USER"] == "minio"
     assert environment["MINIO_ROOT_PASSWORD"] == "test-key"
     assert environment["MINIO_PROMETHEUS_AUTH_TYPE"] == "public"
+    assert environment["AWS_ACCESS_KEY_ID"] == "minio"
+    assert environment["AWS_SECRET_ACCESS_KEY"] == "test-key"
 
     # Assert the command includes the console address with the specified port
     expected_args = [