diff --git a/.gitignore b/.gitignore
index 9ef889b7..e8fdcf88 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,4 +6,5 @@ node_modules/
 dist/
 .vscode/
 coverage/
-.envrc
\ No newline at end of file
+.envrc
+/.env
diff --git a/package-lock.json b/package-lock.json
index 0ce315f8..949bb093 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "next-axiom",
-  "version": "1.5.0",
+  "version": "1.5.1",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "next-axiom",
-      "version": "1.5.0",
+      "version": "1.5.1",
       "license": "MIT",
       "dependencies": {
         "use-deep-compare": "^1.2.1",
diff --git a/package.json b/package.json
index 6e1ca729..1135841e 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "next-axiom",
   "description": "Send WebVitals from your Next.js project to Axiom.",
-  "version": "1.5.0",
+  "version": "1.5.1",
   "author": "Axiom, Inc.",
   "license": "MIT",
   "contributors": [
diff --git a/src/platform/generic.ts b/src/platform/generic.ts
index a78f3401..3dfe1e15 100644
--- a/src/platform/generic.ts
+++ b/src/platform/generic.ts
@@ -25,7 +25,7 @@ export default class GenericConfig implements Provider {
   }
 
   getLogsEndpoint(): string {
-    if (this.customEndpoint) {
+    if (isBrowser && this.customEndpoint) {
       return this.customEndpoint
     }
 
@@ -33,7 +33,7 @@ export default class GenericConfig implements Provider {
   }
 
   getWebVitalsEndpoint(): string {
-    if (this.customEndpoint) {
+    if (isBrowser && this.customEndpoint) {
       return this.customEndpoint
     }
 
diff --git a/src/platform/vercel.ts b/src/platform/vercel.ts
index 1de3ee13..f08a1cf9 100644
--- a/src/platform/vercel.ts
+++ b/src/platform/vercel.ts
@@ -25,7 +25,7 @@ export default class VercelConfig extends GenericConfig implements Provider {
   }
 
   getWebVitalsEndpoint(): string {
-    if (this.customEndpoint) {
+    if (isBrowser && this.customEndpoint) {
       return this.customEndpoint
     }
 
@@ -33,7 +33,7 @@ export default class VercelConfig extends GenericConfig implements Provider {
   }
 
   getLogsEndpoint(): string {
-    if (this.customEndpoint) {
+    if (isBrowser && this.customEndpoint) {
       return this.customEndpoint
     }