diff --git a/demos/auth_generate.py b/demos/auth_generate.py
index 2ff61e4..520d3f1 100644
--- a/demos/auth_generate.py
+++ b/demos/auth_generate.py
@@ -19,6 +19,8 @@
 
 arguments = {}
 arguments["session_limit"] = 10
-arguments["grants"] = '{"read": "all"}'
+arguments["grants"] = {"read": {
+			"all": True
+		}}
 
-print(ziggeo.auth().generate(arguments))
\ No newline at end of file
+print(ziggeo.auth().generate(arguments))