diff --git a/packages/core/src/FieldTypes/Number.php b/packages/core/src/FieldTypes/Number.php
index df99b1d0c..067d36522 100644
--- a/packages/core/src/FieldTypes/Number.php
+++ b/packages/core/src/FieldTypes/Number.php
@@ -54,7 +54,7 @@ public function setValue($value)
             throw new FieldTypeException(self::class.' value must be numeric.');
         }
 
-        $this->value = $value;
+        $this->value = $value ? $value + 0 : '';
     }
 
     /**