diff --git a/extensions/git/src/ipc/ipcServer.ts b/extensions/git/src/ipc/ipcServer.ts
index 8481aa4a35d..a7142fe22e1 100644
--- a/extensions/git/src/ipc/ipcServer.ts
+++ b/extensions/git/src/ipc/ipcServer.ts
@@ -30,7 +30,7 @@ export interface IIPCHandler {
 
 export async function createIPCServer(context?: string): Promise<IPCServer> {
 	const server = http.createServer();
-	const hash = crypto.createHash('sha1');
+	const hash = crypto.createHash('sha256');
 
 	if (!context) {
 		const buffer = await new Promise<Buffer>((c, e) => crypto.randomBytes(20, (err, buf) => err ? e(err) : c(buf)));
@@ -39,7 +39,7 @@ export async function createIPCServer(context?: string): Promise<IPCServer> {
 		hash.update(context);
 	}
 
-	const ipcHandlePath = getIPCHandlePath(hash.digest('hex').substr(0, 10));
+	const ipcHandlePath = getIPCHandlePath(hash.digest('hex').substring(0, 10));
 
 	if (process.platform !== 'win32') {
 		try {