diff --git a/src/errors/ErrorHandler.ts b/src/errors/ErrorHandler.ts
index b02510f..b1bb391 100644
--- a/src/errors/ErrorHandler.ts
+++ b/src/errors/ErrorHandler.ts
@@ -63,7 +63,10 @@ export class ErrorHandler {
         longMessage: error.message,
       };
     }
-    const longMessage = error instanceof Error ? error.message : `${error}`;
+    if (error instanceof Error) {
+      return this.#unwrapCause(error);
+    }
+    const longMessage = `${error}`;
     const shortMessage = longMessage.split("\n")[0].slice(0, 128);
     return {
       longMessage,
@@ -159,6 +162,16 @@ export class ErrorHandler {
     }
   }
 
+  #unwrapCause(e: Error): Pick<ExplainedError, "longMessage" | "shortMessage"> {
+    const shortMessage = e.message.split("\n")[0].slice(0, 128);
+    let longMessage = e.message;
+    if (e.cause) {
+      const cause = this.#unwrapCause(e.cause as Error);
+      longMessage = longMessage + "Cause: " + cause.longMessage;
+    }
+    return { shortMessage, longMessage };
+  }
+
   #caLogger(ca?: CreditAccountData): ILogger {
     return ca
       ? this.log.child({