diff --git a/plugins/XmlMaterialProfile/PluginInfo.py b/plugins/XmlMaterialProfile/PluginInfo.py
index bb430b0af8..4b78a47a5e 100644
--- a/plugins/XmlMaterialProfile/PluginInfo.py
+++ b/plugins/XmlMaterialProfile/PluginInfo.py
@@ -11,5 +11,5 @@ class PluginInfo(PluginObject):
         PluginInfo.__instance = self
 
     @classmethod
-    def getInstance(cls, *args, **kwargs) -> "USBPrinterOutputDeviceManager":
+    def getInstance(cls, *args, **kwargs) -> "PluginInfo":
         return cls.__instance
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