diff --git a/data/apps/simulation/rt_simulator.cfg b/data/apps/simulation/rt_simulator.cfg
index 8d9f22a..44acf08 100644
--- a/data/apps/simulation/rt_simulator.cfg
+++ b/data/apps/simulation/rt_simulator.cfg
@@ -31,7 +31,7 @@
             "endpoints": {
                 "new_order": ["POST", "/order"],
                 "cancel_order": ["POST", "/cancel"],
-                "cancel_all": ["POST", "/cancel_all"],
+                "cancel_all": ["GET", "/cancel_all"],
                 "open_orders": ["GET", "/open_orders"],
                 "order_status": ["GET", "/order_status"]
             }