diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0260fcc18..c948610c5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -18,6 +18,7 @@
 - Log viewer: metadata which contains images will now render the images.
 - Log viewer: show custom tool call views in messages display.
 - Bugfix: Correctly read and forward image detail property.
+- Bugfix: Correct resolution of global eval override of task or sample sandboxes.
 
 ## v0.3.47 (18 November 2024) 
 
diff --git a/src/inspect_ai/_eval/eval.py b/src/inspect_ai/_eval/eval.py
index 414dd2677..b51898be9 100644
--- a/src/inspect_ai/_eval/eval.py
+++ b/src/inspect_ai/_eval/eval.py
@@ -383,6 +383,7 @@ async def eval_async(
                         tasks=task_batch,
                         parallel=parallel,
                         eval_config=eval_config,
+                        eval_sandbox=sandbox,
                         recorder=recorder,
                         model_args=model_args,
                         epochs_reducer=epochs_reducer,
@@ -407,6 +408,7 @@ async def eval_async(
                 tasks=resolved_tasks,
                 parallel=parallel,
                 eval_config=eval_config,
+                eval_sandbox=sandbox,
                 recorder=recorder,
                 model_args=model_args,
                 epochs_reducer=epochs_reducer,
diff --git a/src/inspect_ai/_eval/run.py b/src/inspect_ai/_eval/run.py
index 886e87c98..a6ce6c2d7 100644
--- a/src/inspect_ai/_eval/run.py
+++ b/src/inspect_ai/_eval/run.py
@@ -22,7 +22,13 @@
 from inspect_ai.scorer._reducer import ScoreReducer, reducer_log_names
 from inspect_ai.scorer._reducer.registry import validate_reducer
 from inspect_ai.solver._solver import Solver, SolverSpec
-from inspect_ai.util._sandbox.environment import TaskCleanup, TaskInit
+from inspect_ai.util._sandbox.environment import (
+    SandboxEnvironmentSpec,
+    SandboxEnvironmentType,
+    TaskCleanup,
+    TaskInit,
+    resolve_sandbox_environment,
+)
 from inspect_ai.util._sandbox.registry import registry_find_sandboxenv
 
 from .loader import (
@@ -44,6 +50,7 @@ async def eval_run(
     tasks: list[ResolvedTask],
     parallel: int,
     eval_config: EvalConfig,
+    eval_sandbox: SandboxEnvironmentType | None,
     recorder: Recorder,
     model_args: dict[str, Any],
     epochs_reducer: list[ScoreReducer] | None = None,
@@ -66,7 +73,7 @@ async def eval_run(
     if has_sandbox:
         cleanup = eval_config.sandbox_cleanup is not False
         shutdown_sandbox_environments = await startup_sandbox_environments(
-            tasks, cleanup
+            resolve_sandbox_environment(eval_sandbox), tasks, cleanup
         )
 
     # resolve solver and solver spec
@@ -319,14 +326,16 @@ async def worker() -> None:
 
 
 async def startup_sandbox_environments(
-    tasks: list[ResolvedTask], cleanup: bool
+    eval_sandbox: SandboxEnvironmentSpec | None,
+    tasks: list[ResolvedTask],
+    cleanup: bool,
 ) -> Callable[[], Awaitable[None]]:
     # find unique sandboxenvs
     sandboxenvs: Set[TaskSandboxEnvironment] = set()
     for task in tasks:
         # resolve each sample and add to sandboxenvs
         for sample in task.task.dataset:
-            sandbox = resolve_sandbox_for_task(task.task, sample)
+            sandbox = resolve_sandbox_for_task(eval_sandbox, task.task, sample)
             if sandbox is not None and sandbox not in sandboxenvs:
                 sandboxenvs.add(sandbox)
 
diff --git a/src/inspect_ai/_eval/task/sandbox.py b/src/inspect_ai/_eval/task/sandbox.py
index 1a9ee9c1f..ccf2a8d30 100644
--- a/src/inspect_ai/_eval/task/sandbox.py
+++ b/src/inspect_ai/_eval/task/sandbox.py
@@ -104,10 +104,12 @@ class TaskSandboxEnvironment(NamedTuple):
 
 
 def resolve_sandbox_for_task(
+    eval_sandbox: SandboxEnvironmentSpec | None,
     task: Task,
     sample: Sample,
 ) -> TaskSandboxEnvironment | None:
-    sandbox = resolve_sandbox(task.sandbox, sample)
+    # eval_sandbox overrides task or sample sandbox
+    sandbox = eval_sandbox or resolve_sandbox(task.sandbox, sample)
     if sandbox is not None:
         return TaskSandboxEnvironment(sandbox, task_run_dir(task))
     else: