diff --git a/Pilz.UI.Telerik.SymbolFactory/SymbolFactory.cs b/Pilz.UI.Telerik.SymbolFactory/SymbolFactory.cs
index e75b5db..c0e452f 100644
--- a/Pilz.UI.Telerik.SymbolFactory/SymbolFactory.cs
+++ b/Pilz.UI.Telerik.SymbolFactory/SymbolFactory.cs
@@ -4,7 +4,7 @@ using Telerik.WinControls;
 
 namespace Pilz.UI.Telerik;
 
-public abstract class SymbolFactory<TSvgSymbols> where TSvgSymbols : Enum
+public abstract class SymbolFactory<TSvgSymbols>
 {
     public abstract string GetSvgImageRessourcePath(TSvgSymbols svgImage);
     public abstract Assembly GetSvgImageResourceAssembly();