diff --git a/.changelog/2394.trivial.md b/.changelog/2394.trivial.md
new file mode 100644
index 0000000000..0c22c00398
--- /dev/null
+++ b/.changelog/2394.trivial.md
@@ -0,0 +1 @@
+Include module in error messages
diff --git a/src/app/hooks/useTxErrorMessage.ts b/src/app/hooks/useTxErrorMessage.ts
index 5d85b1842b..750d694a84 100644
--- a/src/app/hooks/useTxErrorMessage.ts
+++ b/src/app/hooks/useTxErrorMessage.ts
@@ -3,16 +3,13 @@ import { TxError } from '../../oasis-nexus/api'
 
 export const useTxErrorMessage = (error: TxError | undefined): string | undefined => {
   const { t } = useTranslation()
-  if (
-    !error ||
-    (!error.module && !error.code) // TODO: This second check shouldn't be necessary. Remove when https://github.com/oasisprotocol/nexus/issues/704 is fixed.
-  )
+  if (!error) {
     return undefined
+  }
   if (error.module === 'evm' && error.code === 8 && !error.message && !error.raw_message) {
     // EVM reverted, without any message
-    return `${t('errors.revertedWithoutMessage')} (${t('errors.code')} ${error.code})`
-  } else {
-    // Anything else
-    return `${error.message || error.raw_message} (${t('errors.code')} ${error.code})`
+    return `${t('errors.revertedWithoutMessage')} (${t('errors.code')} ${error.code}, ${t('errors.module')}: ${error.module})`
   }
+
+  return `${error.message || error.raw_message} (${t('errors.code')} ${error.code}, ${t('errors.module')}: ${error.module})`
 }