diff --git a/src/commands/job.ts b/src/commands/job.ts
index c5ff121..45b2de0 100644
--- a/src/commands/job.ts
+++ b/src/commands/job.ts
@@ -109,7 +109,9 @@ export function registerJobCommands(program: Command): void {
             );
             for (const j of allJobs) {
               const budget = !j.legacy
-                ? formatUnits(BigInt(j.budget), 6)
+                ? j.budget
+                  ? formatUnits(BigInt(j.budget), 6)
+                  : "N/A"
                 : j.budget;
               console.log(
                 `${j.onChainJobId}\t${j.chainId}\t${j.clientAddress}\t${j.providerAddress}\t${budget}\t${j.jobStatus}\t${j.legacy}`
diff --git a/src/lib/config.ts b/src/lib/config.ts
index 863aced..60eb9a1 100644
--- a/src/lib/config.ts
+++ b/src/lib/config.ts
@@ -1,6 +1,6 @@
 import { existsSync, mkdirSync, readFileSync, renameSync, writeFileSync } from "fs";
 import { homedir } from "os";
-import { resolve } from "path";
+import { join, resolve } from "path";
 import {
   getPassword,
   setPassword,
@@ -59,7 +59,12 @@ function loadConfig(): Config {
 
 function saveConfig(config: Config): void {
   mkdirSync(CONFIG_DIR, { recursive: true });
-  writeFileSync(CONFIG_PATH, JSON.stringify(config, null, 2) + "\n");
+  // Write to a temp file first, then atomically rename to the final path.
+  // This prevents a truncated/partial JSON file if the process is interrupted
+  // mid-write, which would make loadConfig return an empty object on next run.
+  const tmpPath = join(CONFIG_DIR, `${CONFIG_FILENAME}.tmp`);
+  writeFileSync(tmpPath, JSON.stringify(config, null, 2) + "\n");
+  renameSync(tmpPath, CONFIG_PATH);
 }
 
 function isKeychainUnavailable(err: unknown): boolean {