diff --git a/python/packages/nisar/products/insar/InSAR_base_writer.py b/python/packages/nisar/products/insar/InSAR_base_writer.py
index 0c948cbc4..d30fda4df 100644
--- a/python/packages/nisar/products/insar/InSAR_base_writer.py
+++ b/python/packages/nisar/products/insar/InSAR_base_writer.py
@@ -748,7 +748,7 @@ def add_pixeloffsets_to_procinfo_params_group(self):
             ),
             DatasetParams(
                 "isOffsetsBlendingApplied",
-                str(merge_gross_offset),
+                is_roff,
                 (
                     "Flag to indicate if pixel offsets are the results of"
                     " blending multi-resolution layers of pixel offsets"