diff --git a/docs/command-replacements.md b/docs/command-replacements.md
index d3dd09afb..48a8660ff 100644
--- a/docs/command-replacements.md
+++ b/docs/command-replacements.md
@@ -26,7 +26,7 @@ The following values are replaced with the specific values at runtime.
 * `{crashes_container}`: Container name for the `crashes` container
 * `{microsoft_telemetry_key}`: Application Insights key used for collecting [non-attributable telemetry](telemetry.md) to improve OneFuzz.
 * `{instance_telemetry_key}`: Application Insights key used for private, instance-owned telemetry and logging (See [OneFuzz Telemetry](telemetry.md).
-* `{extra}`: Path to the optionally provided `extra` directory
+* `{extra_dir}`: Path to the optionally provided `extra` directory
 
 ## Example
 
diff --git a/src/agent/onefuzz-agent/src/setup.rs b/src/agent/onefuzz-agent/src/setup.rs
index f5834c348..0362ab1ea 100644
--- a/src/agent/onefuzz-agent/src/setup.rs
+++ b/src/agent/onefuzz-agent/src/setup.rs
@@ -43,12 +43,15 @@ pub struct SetupRunner {
 
 impl SetupRunner {
     pub async fn run(&self, work_set: &WorkSet) -> Result<SetupOutput> {
-        if let (Some(extra_url), Some(extra_dir)) = (&work_set.extra_url, work_set.extra_dir()?) {
+        if let (Some(extra_container), Some(extra_dir)) =
+            (&work_set.extra_url, work_set.extra_dir()?)
+        {
             info!("downloading extra container");
             // `azcopy sync` requires the local dir to exist.
             fs::create_dir_all(&extra_dir).await.with_context(|| {
                 format!("unable to create extra container: {}", extra_dir.display())
             })?;
+            let extra_url = extra_container.url()?;
             az_copy::sync(extra_url.to_string(), &extra_dir, false).await?;
             debug!(
                 "synced extra container from {} to {}",
diff --git a/src/agent/onefuzz-agent/src/worker.rs b/src/agent/onefuzz-agent/src/worker.rs
index 295062b3a..2c32a8208 100644
--- a/src/agent/onefuzz-agent/src/worker.rs
+++ b/src/agent/onefuzz-agent/src/worker.rs
@@ -279,7 +279,6 @@ impl IWorkerRunner for WorkerRunner {
         cmd.arg("config.json");
         cmd.arg(setup_dir);
         if let Some(extra_dir) = extra_dir {
-            cmd.arg("--extra_dir");
             cmd.arg(extra_dir);
         }
 
diff --git a/src/cli/onefuzz/templates/libfuzzer.py b/src/cli/onefuzz/templates/libfuzzer.py
index 323ae57a6..bced7768e 100644
--- a/src/cli/onefuzz/templates/libfuzzer.py
+++ b/src/cli/onefuzz/templates/libfuzzer.py
@@ -74,7 +74,6 @@ class Libfuzzer(Command):
         analyzer_options: Optional[List[str]] = None,
         analyzer_env: Optional[Dict[str, str]] = None,
         tools: Optional[Container] = None,
-        extra_container: Optional[Container] = None,
     ) -> None:
         target_options = target_options or []
 
@@ -88,6 +87,11 @@ class Libfuzzer(Command):
             ),
         ]
 
+        if ContainerType.extra in containers:
+            regression_containers.append(
+                (ContainerType.extra, containers[ContainerType.extra])
+            )
+
         # We don't really need a separate timeout for crash reporting, and we could just
         # use `target_timeout`. But `crash_report_timeout` was introduced first, so we
         # can't remove it without a breaking change. Since both timeouts may be present,
@@ -129,6 +133,11 @@ class Libfuzzer(Command):
                 )
             )
 
+        if ContainerType.extra in containers:
+            fuzzer_containers.append(
+                (ContainerType.extra, containers[ContainerType.extra])
+            )
+
         self.logger.info("creating libfuzzer task")
 
         # disable ensemble sync if only one VM is used
@@ -172,6 +181,11 @@ class Libfuzzer(Command):
             (ContainerType.readonly_inputs, containers[ContainerType.inputs]),
         ]
 
+        if ContainerType.extra in containers:
+            coverage_containers.append(
+                (ContainerType.extra, containers[ContainerType.extra])
+            )
+
         if ContainerType.readonly_inputs in containers:
             coverage_containers.append(
                 (
@@ -232,6 +246,11 @@ class Libfuzzer(Command):
             (ContainerType.no_repro, containers[ContainerType.no_repro]),
         ]
 
+        if ContainerType.extra in containers:
+            report_containers.append(
+                (ContainerType.extra, containers[ContainerType.extra])
+            )
+
         self.logger.info("creating libfuzzer_crash_report task")
         self.onefuzz.tasks.create(
             job.job_id,
@@ -270,6 +289,11 @@ class Libfuzzer(Command):
                 (ContainerType.crashes, containers[ContainerType.crashes]),
             ]
 
+            if ContainerType.extra in containers:
+                analysis_containers.append(
+                    (ContainerType.extra, containers[ContainerType.extra])
+                )
+
             self.onefuzz.tasks.create(
                 job.job_id,
                 TaskType.generic_analysis,
diff --git a/src/integration-tests/integration-test.py b/src/integration-tests/integration-test.py
index 3769c41cb..af2ff061b 100755
--- a/src/integration-tests/integration-test.py
+++ b/src/integration-tests/integration-test.py
@@ -109,7 +109,7 @@ TARGETS: Dict[str, Integration] = {
         },
         reboot_after_setup=True,
         inject_fake_regression=True,
-        fuzzing_target_options=["--test:{extra}"],
+        fuzzing_target_options=["--test:{extra_dir}"],
     ),
     "linux-libfuzzer-with-options": Integration(
         template=TemplateType.libfuzzer,
@@ -181,7 +181,7 @@ TARGETS: Dict[str, Integration] = {
         os=OS.linux,
         target_exe="fuzz_target_1",
         wait_for_files={ContainerType.unique_reports: 1, ContainerType.coverage: 1},
-        fuzzing_target_options=["--test:{extra}"],
+        fuzzing_target_options=["--test:{extra_dir}"],
     ),
     "linux-trivial-crash": Integration(
         template=TemplateType.radamsa,
@@ -211,7 +211,7 @@ TARGETS: Dict[str, Integration] = {
             ContainerType.coverage: 1,
         },
         inject_fake_regression=True,
-        fuzzing_target_options=["--test:{extra}"],
+        fuzzing_target_options=["--test:{extra_dir}"],
     ),
     "windows-libfuzzer-linked-library": Integration(
         template=TemplateType.libfuzzer,