Index: contrib/tools/rb-site
===================================================================
--- contrib/tools/rb-site	(revision 1718)
+++ contrib/tools/rb-site	(working copy)
@@ -195,7 +195,12 @@ class Site(object):
         fp.write("# http://docs.djangoproject.com/en/dev/ref/settings/\n")
         fp.write("\n")
         fp.write("# Database configuration\n")
-        fp.write("DATABASE_ENGINE = '%s'\n" % self.db_type)
+
+        db_engine = self.db_type
+        if db_engine == "postgresql":
+            db_engine = "postgresql_psycopg2"
+
+        fp.write("DATABASE_ENGINE = '%s'\n" % db_engine)
         fp.write("DATABASE_NAME = '%s'\n" % self.db_name)
 
         if self.db_type != "sqlite3":