diff --git a/src/screens/AddNetwork.tsx b/src/screens/AddNetwork.tsx
index 23cf623..daafb7a 100644
--- a/src/screens/AddNetwork.tsx
+++ b/src/screens/AddNetwork.tsx
@@ -24,23 +24,32 @@ import { COSMOS, EIP155, CHAINID_DEBOUNCE_DELAY } from '../utils/constants';
 import { getCosmosAccounts } from '../utils/accounts';
 import ETH_CHAINS from '../assets/ethereum-chains.json';
 
+const EMPTY_FIELD_ERROR = 'Field cannot be empty';
+const INVALID_URL_ERROR = 'Invalid URL';
+
 const ethNetworkDataSchema = z.object({
-  chainId: z.string().min(1),
-  networkName: z.string().min(1),
-  rpcUrl: z.string().url(),
-  blockExplorerUrl: z.string().url().or(z.literal('')),
-  coinType: z.string().regex(/^\d+$/).min(1),
-  currencySymbol: z.string().min(1),
+  chainId: z.string().nonempty({ message: EMPTY_FIELD_ERROR }),
+  networkName: z.string().nonempty({ message: EMPTY_FIELD_ERROR }),
+  rpcUrl: z.string().url({ message: INVALID_URL_ERROR }),
+  blockExplorerUrl: z
+    .string()
+    .url({ message: INVALID_URL_ERROR })
+    .or(z.literal('')),
+  coinType: z.string().nonempty({ message: EMPTY_FIELD_ERROR }).regex(/^\d+$/),
+  currencySymbol: z.string().nonempty({ message: EMPTY_FIELD_ERROR }),
 });
 
 const cosmosNetworkDataSchema = z.object({
-  chainId: z.string().min(1),
-  networkName: z.string().min(1),
-  rpcUrl: z.string().url(),
-  blockExplorerUrl: z.string().url().or(z.literal('')),
-  coinType: z.string().regex(/^\d+$/).min(1),
-  nativeDenom: z.string().min(1),
-  addressPrefix: z.string().min(1),
+  chainId: z.string().nonempty({ message: EMPTY_FIELD_ERROR }),
+  networkName: z.string().nonempty({ message: EMPTY_FIELD_ERROR }),
+  rpcUrl: z.string().url({ message: INVALID_URL_ERROR }),
+  blockExplorerUrl: z
+    .string()
+    .url({ message: INVALID_URL_ERROR })
+    .or(z.literal('')),
+  coinType: z.string().nonempty({ message: EMPTY_FIELD_ERROR }).regex(/^\d+$/),
+  nativeDenom: z.string().nonempty({ message: EMPTY_FIELD_ERROR }),
+  addressPrefix: z.string().nonempty({ message: EMPTY_FIELD_ERROR }),
 });
 
 const AddNetwork = () => {