diff --git a/dump-db/inc/decrypt.ts b/dump-db/inc/decrypt.ts
index d7ae92614..ecbc820b5 100644
--- a/dump-db/inc/decrypt.ts
+++ b/dump-db/inc/decrypt.ts
@@ -16,7 +16,7 @@ function decryptString(dataKey: any, cipherText: any) {
     return str;
 }
 
-function decrypt(key: any, cipherText: any, ivLength = 13) {
+function decrypt(key: any, cipherText: any, ivLength = 16) {
     if (cipherText === null) {
         return null;
     }