diff --git a/backend/src/services/app-connection/github/github-connection-fns.ts b/backend/src/services/app-connection/github/github-connection-fns.ts
index 2d4e70e3a..164aa31d9 100644
--- a/backend/src/services/app-connection/github/github-connection-fns.ts
+++ b/backend/src/services/app-connection/github/github-connection-fns.ts
@@ -119,7 +119,7 @@ export const getGitHubAppAuthToken = async (
 ) => {
   const appCfg = getConfig();
   const appId = appCfg.INF_APP_CONNECTION_GITHUB_APP_ID;
-  const appPrivateKey = appCfg.INF_APP_CONNECTION_GITHUB_APP_PRIVATE_KEY;
+  let appPrivateKey = appCfg.INF_APP_CONNECTION_GITHUB_APP_PRIVATE_KEY;
 
   if (!appId || !appPrivateKey) {
     throw new InternalServerError({
@@ -127,6 +127,11 @@ export const getGitHubAppAuthToken = async (
     });
   }
 
+  appPrivateKey = appPrivateKey
+    .split("\n")
+    .map((line) => line.trim())
+    .join("\n");
+
   if (appConnection.method !== GitHubConnectionMethod.App) {
     throw new InternalServerError({ message: "Cannot generate GitHub App token for non-app connection" });
   }