I think `self.pattern` needs to be changed into `self.path_as_pattern`: https://github.com/intake/intake-xarray/blob/d0418f787181d638629b76c2982a9a215a3697be/intake_xarray/netcdf.py#L73 I run into the issue with a simple ``` sources: 2D_const_0.25deg: description: 2D constant variables from IFS-AMIP driver: netcdf args: urlpath: "/work/bk1377/b382473/IFS_AMIP/prepIFS/OSTIA/gribscan/2D_const_0.25deg/*.grib" xarray_kwargs: engine: cfgrib ``` catalog.