diff --git a/base/qt/app.py b/base/qt/app.py
index 3fa340bf..83fbd849 100644
--- a/base/qt/app.py
+++ b/base/qt/app.py
@@ -156,7 +156,7 @@ class DupeGuru(DupeGuruBase, QObject):
     #--- Public
     def add_dupes_to_ignore_list(self, duplicates):
         for dupe in duplicates:
-            self.AddToIgnoreList(dupe)
+            self.add_to_ignore_list(dupe)
         self.remove_duplicates(duplicates)
     
     def ApplyFilter(self, filter):
diff --git a/py/app.py b/py/app.py
index f5d2d003..1c3e24a4 100644
--- a/py/app.py
+++ b/py/app.py
@@ -113,7 +113,7 @@ class DupeGuru(RegistrableApplication):
         except directories.InvalidPathError:
             return 2
     
-    def AddToIgnoreList(self, dupe):
+    def add_to_ignore_list(self, dupe):
         g = self.results.get_group_of_duplicate(dupe)
         for other in g:
             if other is not dupe:
diff --git a/py/app_cocoa.py b/py/app_cocoa.py
index 4974d700..0f5e5d28 100644
--- a/py/app_cocoa.py
+++ b/py/app_cocoa.py
@@ -127,7 +127,7 @@ class DupeGuru(app.DupeGuru):
     #---Public
     def AddSelectedToIgnoreList(self):
         for dupe in self.selected_dupes:
-            self.AddToIgnoreList(dupe)
+            self.add_to_ignore_list(dupe)
     
     copy_or_move_marked = demo_method(app.DupeGuru.copy_or_move_marked)
     delete_marked = demo_method(app.DupeGuru.delete_marked)