diff --git a/op-zircuit-mainnet.cfg b/op-zircuit-mainnet.cfg
index 553628cb..b1e6b652 100644
--- a/op-zircuit-mainnet.cfg
+++ b/op-zircuit-mainnet.cfg
@@ -9,7 +9,7 @@
     methods:
       enabled:
         - name: txpool_content
-	- name: zirc_getQuarantineHistory
+        - name: zirc_getQuarantineHistory
     connection:
       generic:
         rpc: