diff --git a/libs/dev-tools/src/cli/wasm/list.ts b/libs/dev-tools/src/cli/wasm/list.ts
index 69e849b..9aec9c2 100644
--- a/libs/dev-tools/src/cli/wasm/list.ts
+++ b/libs/dev-tools/src/cli/wasm/list.ts
@@ -20,9 +20,9 @@ list.action(async () => {
 
   const queryResult = await wasmQueryClient.DataRequestWasms({});
 
-  const result = queryResult.hashTypePairs.map((hashTypePair) => {
-    const [hash, type] = hashTypePair.split(',');
-    return { hash, type };
+  const result = queryResult.list.map((hashTypePair) => {
+    const [hash, expirationHeight] = hashTypePair.split(',');
+    return { hash, expirationHeight };
   });
 
   spinnerSuccess();
diff --git a/libs/dev-tools/src/cli/wasm/show.ts b/libs/dev-tools/src/cli/wasm/show.ts
index 20fa420..680dbb2 100644
--- a/libs/dev-tools/src/cli/wasm/show.ts
+++ b/libs/dev-tools/src/cli/wasm/show.ts
@@ -40,7 +40,6 @@ show.action(async () => {
         hash,
         addedAt: wasm.addedAt,
         expirationHeight: wasm.expirationHeight,
-        wasmType: wasm.wasmType,
       });
     },
     Nothing() {
diff --git a/libs/dev-tools/src/lib/services/signer.ts b/libs/dev-tools/src/lib/services/signer.ts
index de2058b..c88fb0a 100644
--- a/libs/dev-tools/src/lib/services/signer.ts
+++ b/libs/dev-tools/src/lib/services/signer.ts
@@ -5,6 +5,7 @@ import {
   buildSigningConfig,
 } from './config';
 import { createWasmQueryClient } from '@dev-tools/services/wasm/query-client';
+import { tryAsync } from '@dev-tools/utils/try-async';
 
 const BECH32_ADDRESS_PREFIX = 'seda';
 
@@ -72,7 +73,15 @@ async function resolveCoreContractAddress(config: SigningConfig) {
 
   const queryClient = await createWasmQueryClient(config);
 
-  const response = await queryClient.CoreContractRegistry({});
+  const response = await tryAsync(async () =>
+    queryClient.CoreContractRegistry({})
+  );
 
-  return response.address;
+  if (response.isErr) {
+    throw Error(
+      'No core contract set on chain. Please provide a SEDA_CORE_CONTRACT address manually.'
+    );
+  }
+
+  return response.value.address;
 }