diff --git a/packages/web/instrumentation-client.ts b/packages/web/instrumentation-client.ts
index f1a91f71..e146d5b8 100644
--- a/packages/web/instrumentation-client.ts
+++ b/packages/web/instrumentation-client.ts
@@ -5,9 +5,10 @@
 import * as Sentry from "@sentry/nextjs";
 
 // Only enable Sentry on boardsesh.com to avoid polluting error tracking
+// Check hostname to ensure we don't send errors from localhost or preview deployments
 const isProductionDomain =
   typeof window !== "undefined" &&
-  window.location.hostname.includes("boardsesh.com");
+  window.location.hostname === "boardsesh.com";
 
 Sentry.init({
   dsn: "https://f55e6626faf787ae5291ad75b010ea14@o4510644927660032.ingest.us.sentry.io/4510644930150400",
diff --git a/packages/web/sentry.edge.config.ts b/packages/web/sentry.edge.config.ts
index 834bf76b..67b6de3f 100644
--- a/packages/web/sentry.edge.config.ts
+++ b/packages/web/sentry.edge.config.ts
@@ -6,7 +6,10 @@
 import * as Sentry from "@sentry/nextjs";
 
 // Only enable Sentry on production deployments to avoid polluting error tracking
-const isProductionDomain = process.env.VERCEL_ENV === "production";
+// Check both NODE_ENV and VERCEL_ENV to ensure we don't send errors from local dev or preview deployments
+const isProductionDomain =
+  process.env.NODE_ENV === "production" &&
+  process.env.VERCEL_ENV === "production";
 
 Sentry.init({
   dsn: "https://f55e6626faf787ae5291ad75b010ea14@o4510644927660032.ingest.us.sentry.io/4510644930150400",
diff --git a/packages/web/sentry.server.config.ts b/packages/web/sentry.server.config.ts
index a8a3080e..eb858a0b 100644
--- a/packages/web/sentry.server.config.ts
+++ b/packages/web/sentry.server.config.ts
@@ -5,7 +5,10 @@
 import * as Sentry from "@sentry/nextjs";
 
 // Only enable Sentry on production deployments to avoid polluting error tracking
-const isProductionDomain = process.env.VERCEL_ENV === "production";
+// Check both NODE_ENV and VERCEL_ENV to ensure we don't send errors from local dev or preview deployments
+const isProductionDomain =
+  process.env.NODE_ENV === "production" &&
+  process.env.VERCEL_ENV === "production";
 
 Sentry.init({
   dsn: "https://f55e6626faf787ae5291ad75b010ea14@o4510644927660032.ingest.us.sentry.io/4510644930150400",