diff --git a/python/lsst/obs/lsst/script/write_non_linear_crosstalk_coeffs.py b/python/lsst/obs/lsst/script/write_non_linear_crosstalk_coeffs.py
index 2144c6413..a7a0b25c7 100644
--- a/python/lsst/obs/lsst/script/write_non_linear_crosstalk_coeffs.py
+++ b/python/lsst/obs/lsst/script/write_non_linear_crosstalk_coeffs.py
@@ -311,6 +311,9 @@
         detector=detector,
         setCalibId=True,
         setCalibInfo=True,
-        setDate=False,
+        setDate=True,
     )
+    cc.metadata["CALIBDATE"] = valid_start
+    if os.path.isfile(out_file):
+        os.remove(out_file)
     cc.writeText(out_file)