diff --git a/qcbadge/Controllers/HomeController.cs b/qcbadge/Controllers/HomeController.cs
index a1f13a2..584c208 100644
--- a/qcbadge/Controllers/HomeController.cs
+++ b/qcbadge/Controllers/HomeController.cs
@@ -182,7 +182,7 @@ namespace qcbadge.Controllers
 
                     String badgeIdStr = qcData.Substring(0, 4);
                     System.Diagnostics.Debug.WriteLine(badgeIdStr);
-                    int badgeId = Convert.ToInt32(badgeIdStr, 16);
+                    int badgeId = Convert.ToInt32(badgeIdStr, 16) - 1;
                     System.Diagnostics.Debug.WriteLine(badgeId);
 
                     String curIconStr = qcData.Substring(4, 2);