diff --git a/PKHeX.Core/PKM/ShowdownSet.cs b/PKHeX.Core/PKM/ShowdownSet.cs
index 6f6a78511..428f0f650 100644
--- a/PKHeX.Core/PKM/ShowdownSet.cs
+++ b/PKHeX.Core/PKM/ShowdownSet.cs
@@ -535,9 +535,9 @@ private static string ConvertFormFromShowdown(string form, int spec, int ability
                     return $"C-{form}";
 
                 // Necrozma
-                case 800 when form == "Dusk Mane":
+                case 800 when form == "Dusk-Mane":
                     return "Dusk";
-                case 800 when form == "Dawn Wings":
+                case 800 when form == "Dawn-Wings":
                     return "Dawn";
 
                 default: