diff --git a/coastlines/raster.py b/coastlines/raster.py
index 11c4d5f..48bd2ad 100644
--- a/coastlines/raster.py
+++ b/coastlines/raster.py
@@ -566,7 +566,7 @@ def generate_rasters(
     # each satellite pixel to be analysed and filtered/masked based on the
     # tide height at the exact moment of satellite image acquisition.
     try: 
-        ds["tide_m"], tides_lowres = pixel_tides(ds, resample=True, directory='blah')
+        ds["tide_m"], tides_lowres = pixel_tides(ds, resample=True)
         log.info(f"Study area {study_area}: Finished modelling tide heights")
         
     except FileNotFoundError: