diff --git a/dap/algos/addmask.py b/dap/algos/addmask.py
index e5b1d98..c1cc016 100644
--- a/dap/algos/addmask.py
+++ b/dap/algos/addmask.py
@@ -58,6 +58,13 @@ def calc_apply_additional_mask(results, pixel_mask_pf):
         # killed by CC
         pixel_mask_pf[1499, 655:692] = 0
 
+        # module 12 right column
+        pixel_mask_pf[68:1096, 1062] = 0
+
+        # module 16 left column
+        pixel_mask_pf[0:1028, 1101] = 0
+
+
 
     elif detector_name == "JF17T16V01":
         # mask module 11