diff --git a/IGA.ts b/IGA.ts
index 0fe5a84..c5ad9d9 100644
--- a/IGA.ts
+++ b/IGA.ts
@@ -231,8 +231,9 @@ function hash(input: string, salt: number = 0, len: number = 32, seed?: number):
         dataBins[0] = xor(dataBins[0], dataBins[1])
         dataBins.splice(1, 1)
     }
-    const crc = checksum(dataBins[0])
-    const hash = bin2hex(pBin + dataBins[0] + crc)
+    let hash = bin2hex(pBin + dataBins[0])
+    const crc = checksum(hash)
+    hash += bin2hex(crc)
     return hash
 }