diff --git a/webapp/services/BlockChainService.php b/webapp/services/BlockChainService.php
index b3a36a33..c465e4c7 100644
--- a/webapp/services/BlockChainService.php
+++ b/webapp/services/BlockChainService.php
@@ -215,8 +215,8 @@ class BlockChainService {
         if (strlen($val) <= $decimals) {
             $floatPart = $val;
         } else {
-            $intPart = substr($val, 0, $decimals);
-            $floatPart = substr($val, $decimals);
+            $intPart = substr($val, 0, strlen($val) - $decimals);
+            $floatPart = substr($val, strlen($val) - $decimals);
         }
         return true;
     }