diff --git a/server/AyaNova/biz/CustomerBiz.cs b/server/AyaNova/biz/CustomerBiz.cs
index 47c0a2af..968fe230 100644
--- a/server/AyaNova/biz/CustomerBiz.cs
+++ b/server/AyaNova/biz/CustomerBiz.cs
@@ -435,9 +435,9 @@ namespace AyaNova.Biz
 
             foreach (JObject j in importData.Data)
             {
-                long? existingId = await ct.Customer.AsNoTracking().Where(z => z.Name == (string)j["Name"]).Select(x => x.Id).FirstOrDefaultAsync();
+                long existingId = await ct.Customer.AsNoTracking().Where(z => z.Name == (string)j["Name"]).Select(x => x.Id).FirstOrDefaultAsync();
 
-                if (existingId == null)
+                if (existingId == 0)
                 {
                     if (importData.DoImport)
                     {