diff --git a/packages/core/api/sync/index.js b/packages/core/api/sync/index.js
index 7b3964b42..07f8ccc40 100644
--- a/packages/core/api/sync/index.js
+++ b/packages/core/api/sync/index.js
@@ -46,7 +46,7 @@ export default class Sync {
   }
 
   async _fetch(lastSynced, token) {
-    let response = await fetch(`${HOST}sync?lst=${lastSynced}`, {
+    let response = await fetch(`${HOST}/sync?lst=${lastSynced}`, {
       headers: { ...HEADERS, Authorization: `Bearer ${token}` },
     });
     return await response.json();
@@ -83,7 +83,7 @@ export default class Sync {
   }
 
   async _send(data, token) {
-    let response = await fetch(`${HOST}sync`, {
+    let response = await fetch(`${HOST}/sync`, {
       method: "POST",
       headers: { ...HEADERS, Authorization: `Bearer ${token}` },
       body: JSON.stringify(data),
diff --git a/packages/core/models/user.js b/packages/core/models/user.js
index 66d186520..991e1df40 100644
--- a/packages/core/models/user.js
+++ b/packages/core/models/user.js
@@ -124,7 +124,7 @@ async function authRequest(endpoint, data, auth = false, get = false) {
     };
   }
 
-  let response = await fetch(`${HOST}${endpoint}`, {
+  let response = await fetch(`${HOST}/${endpoint}`, {
     method: get ? "GET" : "POST",
     headers: { ...HEADERS, ...headers },
     body: get ? undefined : JSON.stringify(data),
diff --git a/packages/core/utils/constants.js b/packages/core/utils/constants.js
index 2bd3f9449..f5a764446 100644
--- a/packages/core/utils/constants.js
+++ b/packages/core/utils/constants.js
@@ -1,7 +1,7 @@
 export const HOST =
   process.env.NODE_ENV === "production"
-    ? "https://api.notesnook.com/"
-    : "http://0.0.0.0:8000/";
+    ? "https://api.notesnook.com"
+    : "http://0.0.0.0:8000";
 export const HEADERS = {
   agent: "nn/1.0.0",
   origin: "notesnook.com",