diff --git a/assets/js/common.ts b/assets/js/common.ts
index cf6f3e3..19b523c 100644
--- a/assets/js/common.ts
+++ b/assets/js/common.ts
@@ -82,8 +82,8 @@ function handle(msg) {
 
 // basic functions - move to api.ts
 
-function createSid(): string {
-	const arr = new Uint32Array(2)
+function createRandString(size: number): string {
+	const arr = new Uint32Array(size)
 	crypto.getRandomValues(arr)
 	const result: string[] = []
 	arr.forEach((x) => result.push(x.toString(36)))
@@ -94,7 +94,7 @@ function getSid(): string {
 	const sid_key = 'api.sessionid'
 	let sid = localStorage.getItem(sid_key)
 	if (!sid) {
-		sid = createSid()
+		sid = createRandString(2)
 		localStorage.setItem(sid_key, sid)
 	}
 	return sid