diff --git a/Aaru.Server/Core/ScsiEvpd.cs b/Aaru.Server/Core/ScsiEvpd.cs
index d6081dae..34bec6ef 100644
--- a/Aaru.Server/Core/ScsiEvpd.cs
+++ b/Aaru.Server/Core/ScsiEvpd.cs
@@ -262,7 +262,7 @@ public static class ScsiEvpd
                     break;
             }
 
-            evpdPages.Add(header, decoded);
+            evpdPages[header] = decoded;
         }
     }
 }
\ No newline at end of file