diff --git a/apps/backend/src/app/api/v1/integrations/neon/oauth/idp/[[...route]]/idp.ts b/apps/backend/src/app/api/v1/integrations/neon/oauth/idp/[[...route]]/idp.ts
index 51c6a60f2..0cdf2bab6 100644
--- a/apps/backend/src/app/api/v1/integrations/neon/oauth/idp/[[...route]]/idp.ts
+++ b/apps/backend/src/app/api/v1/integrations/neon/oauth/idp/[[...route]]/idp.ts
@@ -48,9 +48,14 @@ function createAdapter(options: {
     }
 
     async upsert(id: string, payload: AdapterPayload, expiresInSeconds: number): Promise<void> {
-      if (expiresInSeconds < 0) throw new StackAssertionError(`expiresInSeconds must be non-negative, got ${expiresInSeconds}`, { expiresInSeconds, model: this.model, id, payload });
-      if (expiresInSeconds > 60 * 60 * 24 * 365 * 100) throw new StackAssertionError(`expiresInSeconds must be less than 100 years, got ${expiresInSeconds}`, { expiresInSeconds, model: this.model, id, payload });
-      if (!Number.isFinite(expiresInSeconds)) throw new StackAssertionError(`expiresInSeconds must be a finite number, got ${expiresInSeconds}`, { expiresInSeconds, model: this.model, id, payload });
+      try {
+        if (expiresInSeconds < 0) throw new StackAssertionError(`expiresInSeconds of ${this.model}:${id} must be non-negative, got ${expiresInSeconds}`, { expiresInSeconds, model: this.model, id, payload });
+        if (expiresInSeconds > 60 * 60 * 24 * 365 * 100) throw new StackAssertionError(`expiresInSeconds of ${this.model}:${id} must be less than 100 years, got ${expiresInSeconds}`, { expiresInSeconds, model: this.model, id, payload });
+        if (!Number.isFinite(expiresInSeconds)) throw new StackAssertionError(`expiresInSeconds of ${this.model}:${id} must be a finite number, got ${expiresInSeconds}`, { expiresInSeconds, model: this.model, id, payload });
+      } catch (err) {
+        captureError('idp-adapter-upsert-assertion-error', err);
+        expiresInSeconds = 60 * 60 * 60 * 24;
+      }
 
       await niceUpdate(this.model, id, () => ({ payload, expiresAt: new Date(Date.now() + expiresInSeconds * 1000) }));
     }
@@ -220,10 +225,10 @@ export async function createOidcProvider(options: { id: string, baseUrl: string
     captureError('idp-oidc-provider-server-error', err);
   });
 
-  function middleware(middleware: Parameters<typeof oidc.use>[0]) {
+  function middleware(mw: Parameters<typeof oidc.use>[0]) {
     oidc.use((ctx, next) => {
       try {
-        return middleware(ctx, next);
+        return mw(ctx, next);
       } catch (err) {
         captureError('idp-oidc-provider-middleware-error', err);
         throw err;