diff --git a/source/isaaclab/isaaclab/utils/dict.py b/source/isaaclab/isaaclab/utils/dict.py
index bbf961aad24..6e3a3d71046 100644
--- a/source/isaaclab/isaaclab/utils/dict.py
+++ b/source/isaaclab/isaaclab/utils/dict.py
@@ -299,6 +299,8 @@ def replace_slices_with_strings(data: dict) -> dict:
     """
     if isinstance(data, dict):
         return {k: replace_slices_with_strings(v) for k, v in data.items()}
+    elif isinstance(data, list):
+        return [replace_slices_with_strings(v) for v in data]
     elif isinstance(data, slice):
         return f"slice({data.start},{data.stop},{data.step})"
     else:
@@ -316,6 +318,8 @@ def replace_strings_with_slices(data: dict) -> dict:
     """
     if isinstance(data, dict):
         return {k: replace_strings_with_slices(v) for k, v in data.items()}
+    elif isinstance(data, list):
+        return [replace_strings_with_slices(v) for v in data]
     elif isinstance(data, str) and data.startswith("slice("):
         return string_to_slice(data)
     else: