diff --git a/Source/NSNumberFormatter.m b/Source/NSNumberFormatter.m
index 4701592b6..f26890759 100644
--- a/Source/NSNumberFormatter.m
+++ b/Source/NSNumberFormatter.m
@@ -674,11 +674,13 @@ static NSUInteger _defaultBehavior = 0;
 
 - (void) setMaximum: (NSDecimalNumber*)aMaximum
 {
+  // FIXME: NSNumberFormatterBehavior10_4
   ASSIGN(_maximum, aMaximum);
 }
 
 - (void) setMinimum: (NSDecimalNumber*)aMinimum
 {
+  // FIXME: NSNumberFormatterBehavior10_4
   ASSIGN(_minimum, aMinimum);
 }