diff --git a/src/ssn/decryption/decryptFile.ts b/src/ssn/decryption/decryptFile.ts
index 69f8d36..3ece721 100644
--- a/src/ssn/decryption/decryptFile.ts
+++ b/src/ssn/decryption/decryptFile.ts
@@ -12,6 +12,7 @@ export default function decryptFile(dv: DataView, length: number, [key0, key1, k
     //update keys
     [key0, key1, key2] = updateKeys([key0, key1, key2], curChar);
   }
-  //if it was decrypted, we skip the first 12 bytes (random encryption header)
-  return new DataView(dv.buffer, 12);
+
+  //If it was decrypted, we skip the first 12 bytes (random encryption header)
+  return new DataView(dv.buffer, 12, dv.byteLength - 12);
 }