diff --git a/src/mx_bluesky/I24/serial/parameters/utils.py b/src/mx_bluesky/I24/serial/parameters/utils.py
index f0ab4f3d2..458ce7235 100644
--- a/src/mx_bluesky/I24/serial/parameters/utils.py
+++ b/src/mx_bluesky/I24/serial/parameters/utils.py
@@ -1,4 +1,4 @@
-from typing import Dict
+from typing import Any, Dict
 
 from mx_bluesky.I24.serial.fixed_target.ft_utils import ChipType
 from mx_bluesky.I24.serial.parameters.experiment_parameters import ChipDescription
@@ -31,5 +31,5 @@ def get_chip_format(chip_type: ChipType) -> ChipDescription:
             defaults["y_step_size"] = float(caget(pv.me14e_gp99))
             defaults["x_blocks"] = defaults["y_blocks"] = 1
             defaults["b2b_horz"] = defaults["b2b_vert"] = 0.0
-    chip_params = {"chip_type": chip_type, **defaults}  # type: ignore
+    chip_params: Dict[str, Any] = {"chip_type": chip_type, **defaults}
     return ChipDescription(**chip_params)