diff --git a/apps/trading/.env.sandbox b/apps/trading/.env.sandbox
index 020502925..7d8beb4a3 100644
--- a/apps/trading/.env.sandbox
+++ b/apps/trading/.env.sandbox
@@ -4,7 +4,7 @@ NX_HOSTED_WALLET_URL=https://wallet.sandbox.vega.xyz
 NX_VEGA_CONFIG_URL=https://static.vega.xyz/assets/sandbox-network.json
 NX_VEGA_URL=https://api.n01.sandbox.vega.xyz/graphql
 NX_VEGA_ENV=SANDBOX
-NX_VEGA_NETWORKS='{"DEVNET":"https://dev.token.vega.xyz","STAGNET3":"https://stagnet3.token.vega.xyz","STAGNET1":"https://stagnet1.token.vega.xyz","TESTNET":"https://token.fairground.wtf","MAINNET":"https://token.vega.xyz"}'
+NX_VEGA_NETWORKS={\"DEVNET\":\"https://dev.token.vega.xyz\",\"STAGNET3\":\"https://stagnet3.token.vega.xyz\",\"STAGNET1\":\"https://stagnet1.token.vega.xyz\",\"TESTNET\":\"https://token.fairground.wtf\",\"MAINNET\":\"https://token.vega.xyz\"}
 NX_VEGA_CONFIG_URL=https://static.vega.xyz/assets/sandbox-network.json
 NX_VEGA_EXPLORER_URL=https://sandbox.explorer.vega.xyz
 NX_VEGA_DOCS_URL=https://docs.vega.xyz/docs/testnet