diff --git a/dap/algos/addmask.py b/dap/algos/addmask.py
index 49ed2a7..0fd85ad 100644
--- a/dap/algos/addmask.py
+++ b/dap/algos/addmask.py
@@ -61,6 +61,9 @@ def calc_apply_additional_mask(results, pixel_mask):
         # module 12 right column
         pixel_mask[68:1096, 1062] = 0
 
+        # module 16, asics edge
+        pixel_mask[774:782, 1315:1385] = 0
+
         # module 16 left column
         pixel_mask[0:1028, 1101] = 0