diff --git a/esmvalcore/preprocessor/_area.py b/esmvalcore/preprocessor/_area.py
index e8ee06b8c3..15f33ab1fc 100644
--- a/esmvalcore/preprocessor/_area.py
+++ b/esmvalcore/preprocessor/_area.py
@@ -61,7 +61,12 @@ def extract_region(cube, start_longitude, end_longitude, start_latitude,
             latitude=(start_latitude, end_latitude),
             ignore_bounds=True,
         )
+        # delete bounds: kluge for
+        # issue here https://github.com/ESMValGroup/ESMValCore/issues/799
+        # TODO remove the bounds handling after iris fix
+        region_subset.coord("longitude").bounds = None
         region_subset = region_subset.intersection(longitude=(0., 360.))
+        region_subset.coord("longitude").guess_bounds()
         return region_subset
     # Irregular grids
     lats = cube.coord('latitude').points