diff --git a/django/contrib/gis/db/models/fields.py b/django/contrib/gis/db/models/fields.py
index 157deaee88..a639f3c176 100644
--- a/django/contrib/gis/db/models/fields.py
+++ b/django/contrib/gis/db/models/fields.py
@@ -288,8 +288,7 @@ class GeometryField(GeoSelectFormatMixin, BaseSpatialField):
 
     def from_db_value(self, value, expression, connection, context):
         if value:
-            if not isinstance(value, Geometry):
-                value = Geometry(value)
+            value = Geometry(value)
             srid = value.srid
             if not srid and self.srid != -1:
                 value.srid = self.srid