diff --git a/Disco.Services/Devices/Importing/CsvDeviceImportDataReader.cs b/Disco.Services/Devices/Importing/CsvDeviceImportDataReader.cs
index 31e36452..d5858f46 100644
--- a/Disco.Services/Devices/Importing/CsvDeviceImportDataReader.cs
+++ b/Disco.Services/Devices/Importing/CsvDeviceImportDataReader.cs
@@ -23,7 +23,7 @@ namespace Disco.Services.Devices.Importing
         {
             context = Context;
             rawData = RawData;
-            currentRowIndex = 0;
+            currentRowIndex = -1;
             rowOffset = HasHeaderRow ? 1 : 0;
         }