diff --git a/arb/nitro-erigon/arbitrum-sepolia-nitro-erigon-archive-trace.yml b/arb/nitro-erigon/arbitrum-sepolia-nitro-erigon-archive-trace.yml
index 6eb92927..0fefe0cd 100644
--- a/arb/nitro-erigon/arbitrum-sepolia-nitro-erigon-archive-trace.yml
+++ b/arb/nitro-erigon/arbitrum-sepolia-nitro-erigon-archive-trace.yml
@@ -56,7 +56,7 @@ services:
       - 8545
     entrypoint: [erigon]
     command:
-      - --chain="arb-sepolia"
+      - --chain=arb-sepolia
       - --datadir=/root/.local/share/erigon
       - --http
       - --http.addr=0.0.0.0
diff --git a/arb/nitro-erigon/arbitrum-sepolia-nitro-erigon-minimal-trace.yml b/arb/nitro-erigon/arbitrum-sepolia-nitro-erigon-minimal-trace.yml
index 9665747f..686e23a8 100644
--- a/arb/nitro-erigon/arbitrum-sepolia-nitro-erigon-minimal-trace.yml
+++ b/arb/nitro-erigon/arbitrum-sepolia-nitro-erigon-minimal-trace.yml
@@ -56,7 +56,7 @@ services:
       - 8545
     entrypoint: [erigon]
     command:
-      - --chain="arb-sepolia"
+      - --chain=arb-sepolia
       - --datadir=/root/.local/share/erigon
       - --http
       - --http.addr=0.0.0.0
diff --git a/arb/nitro-erigon/arbitrum-sepolia-nitro-erigon-pruned-trace.yml b/arb/nitro-erigon/arbitrum-sepolia-nitro-erigon-pruned-trace.yml
index ce4a23a5..974e7d5f 100644
--- a/arb/nitro-erigon/arbitrum-sepolia-nitro-erigon-pruned-trace.yml
+++ b/arb/nitro-erigon/arbitrum-sepolia-nitro-erigon-pruned-trace.yml
@@ -56,7 +56,7 @@ services:
       - 8545
     entrypoint: [erigon]
     command:
-      - --chain="arb-sepolia"
+      - --chain=arb-sepolia
       - --datadir=/root/.local/share/erigon
       - --http
       - --http.addr=0.0.0.0