diff --git a/geth-mainnet.yml b/geth-mainnet.yml
index 0db1778a..4f0746e2 100644
--- a/geth-mainnet.yml
+++ b/geth-mainnet.yml
@@ -13,12 +13,12 @@ services:
       [                                                                                               
         # Blockchain sync mode ("snap", "full" or "light")                                            
         "--syncmode=snap",
-        "--port=49545"
+        "--port=49545",
         # Megabytes of memory allocated to internal caching                                           
         "--cache=8192",
         # Enable the WS-RPC server         
         "--ws",
-        "--ws.port=8545"
+        "--ws.port=8545",
         "--ws.addr=0.0.0.0",
         # Enable the HTTP-RPC server      
         "--http",