diff --git a/plugins/XmlMaterialProfile/XmlMaterialProfile.py b/plugins/XmlMaterialProfile/XmlMaterialProfile.py
index cdbbd1839e..52ee45af62 100644
--- a/plugins/XmlMaterialProfile/XmlMaterialProfile.py
+++ b/plugins/XmlMaterialProfile/XmlMaterialProfile.py
@@ -17,7 +17,7 @@ import UM.Dictionary
 from UM.Settings.InstanceContainer import InstanceContainer
 from UM.Settings.ContainerRegistry import ContainerRegistry
 
-from .XmlMaterialValidator import XmlMaterialValidater
+from .XmlMaterialValidator import XmlMaterialValidator
 
 ##  Handles serializing and deserializing material containers from an XML file
 class XmlMaterialProfile(InstanceContainer):
@@ -482,7 +482,7 @@ class XmlMaterialProfile(InstanceContainer):
         if "adhesion_info" not in meta_data:
             meta_data["adhesion_info"] = ""
 
-        validation_message = XmlMaterialValidater.validateMaterialMetaDate(meta_data)
+        validation_message = XmlMaterialValidator.validateMaterialMetaDate(meta_data)
         if validation_message is not None:
             raise Exception("Not valid material profile: %s" % (validation_message))
 
diff --git a/plugins/XmlMaterialProfile/XmlMaterialValidator.py b/plugins/XmlMaterialProfile/XmlMaterialValidator.py
index 42fd505e2d..0d5db4b096 100644
--- a/plugins/XmlMaterialProfile/XmlMaterialValidator.py
+++ b/plugins/XmlMaterialProfile/XmlMaterialValidator.py
@@ -3,7 +3,7 @@
 
 
 
-class XmlMaterialValidater():
+class XmlMaterialValidator():
 
     @classmethod
     def validateMaterialMetaDate(cls, validation_metadata):