diff --git a/src/buildstream/element.py b/src/buildstream/element.py
index bdd2300b1..7004c2ce6 100644
--- a/src/buildstream/element.py
+++ b/src/buildstream/element.py
@@ -2803,9 +2803,15 @@ def __sandbox(self, stdout=None, stderr=None, config=None, allow_remote=True):
         project = self._get_project()
         platform = context.platform
 
+        config_node_properties = []
+        if config is not None:
+           config_node_properties.extend(config.output_node_properties)
+
         if self._get_workspace():
-            output_node_properties = ["mtime"]
-        else:
+            if "mtime" not in output_node_properties:
+                output_node_properties.append("mtime")
+
+        if not output_node_properties:
             output_node_properties = None
 
         if allow_remote and context.remote_execution_specs:
diff --git a/src/buildstream/sandbox/_config.py b/src/buildstream/sandbox/_config.py
index 654f16454..26f3c406b 100644
--- a/src/buildstream/sandbox/_config.py
+++ b/src/buildstream/sandbox/_config.py
@@ -45,12 +45,19 @@
 #
 class SandboxConfig:
     def __init__(
-        self, *, build_os: str, build_arch: str, build_uid: Optional[int] = None, build_gid: Optional[int] = None
+        self,
+        *,
+        build_os: str,
+        build_arch: str,
+        build_uid: Optional[int] = None,
+        build_gid: Optional[int] = None,
+        output_node_properties: Union[list, tuple] = tuple(),
     ):
         self.build_os = build_os
         self.build_arch = build_arch
         self.build_uid = build_uid
         self.build_gid = build_gid
+        self.output_node_properties = output_node_properties
 
     # to_dict():
     #
@@ -108,7 +115,7 @@ def to_dict(self) -> Dict[str, Union[str, int]]:
     #
     @classmethod
     def new_from_node(cls, config: "MappingNode[Node]", *, platform: Optional[Platform] = None) -> "SandboxConfig":
-        config.validate_keys(["build-uid", "build-gid", "build-os", "build-arch"])
+        config.validate_keys(["build-uid", "build-gid", "build-os", "build-arch", "fs-capture-properties"])
 
         build_os: str
         build_arch: str
@@ -132,4 +139,12 @@ def new_from_node(cls, config: "MappingNode[Node]", *, platform: Optional[Platfo
         build_uid = config.get_int("build-uid", None)
         build_gid = config.get_int("build-gid", None)
 
-        return cls(build_os=build_os, build_arch=build_arch, build_uid=build_uid, build_gid=build_gid)
+        output_node_properties = config.get_str_list("fs-capture-properties", [])
+
+        return cls(
+            build_os=build_os,
+            build_arch=build_arch,
+            build_uid=build_uid,
+            build_gid=build_gid,
+            output_node_properties=output_node_properties,
+        )