diff --git a/cohort_banking_initiator_js/src/main.ts b/cohort_banking_initiator_js/src/main.ts
index 5dcff4b8..b25b1fea 100644
--- a/cohort_banking_initiator_js/src/main.ts
+++ b/cohort_banking_initiator_js/src/main.ts
@@ -111,9 +111,11 @@ new Promise(async (resolve) => {
         queue,
         fnFinish,
     )
+
     try {
         await app.init()
     } catch (e) {
+        console.log(JSON.stringify(e, null, 2))
         if (e instanceof TalosSdkError) {
             const sdkError = e as TalosSdkError
             if (sdkError.kind == SdkErrorKind.Messaging) {
diff --git a/cohort_sdk_client/src/internal.ts b/cohort_sdk_client/src/internal.ts
index edbaa4d2..817377b0 100644
--- a/cohort_sdk_client/src/internal.ts
+++ b/cohort_sdk_client/src/internal.ts
@@ -1,5 +1,5 @@
 import { SDK_CONTAINER_TYPE } from "cohort_sdk_js"
 
 export const isSdkError = (reason: string): boolean => {
-    return (reason && reason.indexOf(`"typ":"${ SDK_CONTAINER_TYPE }"`) > 0 && reason.startsWith("{") && reason.endsWith("}"))
+    return (reason && reason.indexOf(`"_typ":"${ SDK_CONTAINER_TYPE }"`) > 0 && reason.startsWith("{") && reason.endsWith("}"))
 }
diff --git a/packages/cohort_sdk_js/src/sdk_errors.rs b/packages/cohort_sdk_js/src/sdk_errors.rs
index 8d79f3df..496af808 100644
--- a/packages/cohort_sdk_js/src/sdk_errors.rs
+++ b/packages/cohort_sdk_js/src/sdk_errors.rs
@@ -35,12 +35,9 @@ impl From<ClientErrorKind> for SdkErrorKind {
 }
 
 #[derive(Serialize)]
+#[serde(rename_all = "camelCase", tag = "_typ")]
 #[napi]
 pub struct SdkErrorContainer {
-    /// Should always hold the name of this class. This attribute is used
-    /// by JS layer to recognise out container and safely parse it from JSON string
-    /// back to structured object.
-    pub typ: String,
     pub kind: SdkErrorKind,
     pub reason: String,
     pub cause: Option<String>,
@@ -55,12 +52,7 @@ pub const SDK_CONTAINER_TYPE: &str = "SdkErrorContainer";
 #[napi]
 impl SdkErrorContainer {
     pub fn new(kind: SdkErrorKind, reason: String, cause: Option<String>) -> Self {
-        Self {
-            typ: SDK_CONTAINER_TYPE.into(),
-            kind,
-            reason,
-            cause,
-        }
+        Self { kind, reason, cause }
     }
 
     pub fn json(&self) -> Value {