diff --git a/geopetl/oracle_sde.py b/geopetl/oracle_sde.py
index 7e98fc0..2069ef7 100644
--- a/geopetl/oracle_sde.py
+++ b/geopetl/oracle_sde.py
@@ -590,6 +590,10 @@ def _get_srid(self):
         if self.geom_field is None:
             return None
 
+        # Someone wants to force the SRID to be detected as this.
+        if self.insert_srid:
+            return self.insert_srid
+
         stmt = """
             select s.auth_srid
             from sde.layers l
@@ -960,6 +964,11 @@ def write(self, rows, srid=None, table_srid=None,
         for field in fields:
             type_ = type_map[field]
             if type_ == 'geom':
+                # SRID cannot be None here! This will result in this being used in the prepare statment:
+                #SDE.ST_GEOMETRY(:SHAPE, NONE))
+                # which ends with this error: cx_Oracle.DatabaseError: ORA-00984: column not allowed here
+                print('Making sure we have an SRID value..')
+                assert self.srid, "SRID cannot be None for the write method!"
                 geom_placeholder = 'SDE.ST_Geometry(:{}, {})'\
                                         .format(field, self.srid)
                 placeholders.append(geom_placeholder)
@@ -1011,6 +1020,7 @@ def write(self, rows, srid=None, table_srid=None,
         stmt_fields_joined = ', '.join(stmt_fields)
         prepare_stmt = "INSERT INTO {} ({}) VALUES ({})".format(self._name_with_schema, \
             stmt_fields_joined, placeholders_joined)
+        print(f'prepare_stmt: {prepare_stmt}')
         self.db.cursor.prepare(prepare_stmt)
 
         db_types_filtered = {x.upper(): db_types.get(x.upper()) for x in stmt_fields if x != self.objectid_field}
@@ -1095,13 +1105,14 @@ def count(self):
 ################################################################################
 
 class OracleSdeQuery(SpatialQuery):
-    def __init__(self,  db, table, fields=None, return_geom=True, to_srid=None,
+    def __init__(self,  db, table, fields=None, return_geom=True, to_srid=None, insert_srid=None,
                  where=None, limit=None, timestamp=False, geom_with_srid=False, sql=None):
         self.db = db
         self.table = table
         self.fields = fields
         self.return_geom = return_geom
         self.to_srid = to_srid
+        self.insert_srid = insert_srid
         self.where = where
         self.limit = limit
         self.timestamp = timestamp