diff --git a/gpm/utils/collocation.py b/gpm/utils/collocation.py
index c50bed9..abf44a4 100644
--- a/gpm/utils/collocation.py
+++ b/gpm/utils/collocation.py
@@ -125,7 +125,8 @@ def collocate_product(
 
     # Concatenate if necessary (PMW case)
     output_ds = xr.concat(list_remapped, dim="pmw_frequency") if len(list_remapped) > 1 else list_remapped[0]
-
+    # Add time of dst dataset 
+    output_ds = output_ds.assign_coords({"time" : ds.reset_coords()["time"]})
     # Assign attributes
     output_ds.attrs = list_ds[0].attrs
     output_ds.attrs["ScanMode"] = scan_modes