diff --git a/app/Validation/FireflyValidator.php b/app/Validation/FireflyValidator.php
index 924fee7d89..d92498beb0 100644
--- a/app/Validation/FireflyValidator.php
+++ b/app/Validation/FireflyValidator.php
@@ -176,8 +176,8 @@ class FireflyValidator extends Validator
 
         // replace characters outside of ASCI range.
         $value   = iconv('UTF-8', 'ASCII//TRANSLIT//IGNORE', $value);
-        $search  = [' ', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z'];
-        $replace = ['', '10', '11', '12', '13', '14', '15', '16', '17', '18', '19', '20', '21', '22', '23', '24', '25', '26', '27', '28', '29', '30', '31',
+        $search  = [' ', '?', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z'];
+        $replace = ['', '', '10', '11', '12', '13', '14', '15', '16', '17', '18', '19', '20', '21', '22', '23', '24', '25', '26', '27', '28', '29', '30', '31',
                     '32', '33', '34', '35',];
 
         // take