diff --git a/AsbCloudInfrastructure/Services/DataService.cs b/AsbCloudInfrastructure/Services/DataService.cs
index dbddc192..db89a9c7 100644
--- a/AsbCloudInfrastructure/Services/DataService.cs
+++ b/AsbCloudInfrastructure/Services/DataService.cs
@@ -54,7 +54,8 @@ namespace AsbCloudInfrastructure.Services
             if (fullDataCount > 1.2 * approxPointsCount)
             {
                 var m = approxPointsCount / fullDataCount;
-                fullData = fullData.Where(d => d.Id % m == 0);
+                if(m > 0)
+                    fullData = fullData.Where(d => d.Id % m == 0);
             }
 
             var dbData = fullData.ToList();