diff --git a/packages/chains/src/rollux.ts b/packages/chains/src/rollux.ts
index 149f6c4f..32b9ab30 100644
--- a/packages/chains/src/rollux.ts
+++ b/packages/chains/src/rollux.ts
@@ -12,7 +12,7 @@ export const rollux = {
   rpcUrls: {
     default: {
       http: ['https://rpc.rollux.com'],
-      websocket: ['wss://rpc.rollux.com/wss']
+      websocket: ['wss://rpc.rollux.com/wss'],
     },
     public: { http: ['https://rollux.public-rpc.com'] },
   },
diff --git a/packages/chains/src/rolluxTestnet.ts b/packages/chains/src/rolluxTestnet.ts
index 536527da..1c5ad4a9 100644
--- a/packages/chains/src/rolluxTestnet.ts
+++ b/packages/chains/src/rolluxTestnet.ts
@@ -12,12 +12,15 @@ export const rolluxTestnet = {
   rpcUrls: {
     default: {
       http: ['https://rpc-tanenbaum.rollux.com/'],
-      websocket: ['wss://rpc-tanenbaum.rollux.com/wss']
+      websocket: ['wss://rpc-tanenbaum.rollux.com/wss'],
     },
     public: { http: ['https://rpc-tanenbaum.rollux.com/'] },
   },
   blockExplorers: {
-    default: { name: 'RolluxTestnetExplorer', url: 'https://rollux.tanenbaum.io' },
+    default: {
+      name: 'RolluxTestnetExplorer',
+      url: 'https://rollux.tanenbaum.io',
+    },
   },
   contracts: {
     multicall3: {
diff --git a/packages/chains/src/syscoin.ts b/packages/chains/src/syscoin.ts
index 27e08585..1c85cdf6 100644
--- a/packages/chains/src/syscoin.ts
+++ b/packages/chains/src/syscoin.ts
@@ -12,11 +12,11 @@ export const syscoin = {
   rpcUrls: {
     default: {
       http: ['https://rpc.syscoin.org'],
-      websocket: ['wss://rpc.syscoin.org/wss']
+      websocket: ['wss://rpc.syscoin.org/wss'],
     },
     public: {
       http: ['https://rpc.syscoin.org'],
-      websocket: ['wss://rpc.syscoin.org/wss']
+      websocket: ['wss://rpc.syscoin.org/wss'],
     },
   },
   blockExplorers: {
diff --git a/packages/chains/src/syscoinTestnet.ts b/packages/chains/src/syscoinTestnet.ts
index 106f75cb..9cc74284 100644
--- a/packages/chains/src/syscoinTestnet.ts
+++ b/packages/chains/src/syscoinTestnet.ts
@@ -12,7 +12,7 @@ export const syscoinTestnet = {
   rpcUrls: {
     default: {
       http: ['https://rpc.tanenbaum.io'],
-      websocket: ['wss://rpc.tanenbaum.io/wss']
+      websocket: ['wss://rpc.tanenbaum.io/wss'],
     },
     public: { http: ['https://rpc.tanenbaum.io'] },
   },