diff --git a/ChangeLog b/ChangeLog
index a6ec97d59..bcfb5b7cd 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2005-09-01  Adam Fedor  <fedor@gnu.org>
+
+	* Source/NSSortDescriptor.m ([NSArray
+	-sortedArrayUsingDescriptors:sortDescriptors]): Use
+	makeImmutableCopyOnFail:.
+
 2005-08-31  Adam Fedor  <fedor@gnu.org>
 
 	* Source/GNUmakefile: Install NSSortDescriptor.h 
diff --git a/Source/NSSortDescriptor.m b/Source/NSSortDescriptor.m
index 7ceb8ebf4..640ba9138 100644
--- a/Source/NSSortDescriptor.m
+++ b/Source/NSSortDescriptor.m
@@ -266,7 +266,7 @@ FindEqualityRanges(id * objects,
 
   [sortedArray sortUsingDescriptors: sortDescriptors];
 
-  return [[sortedArray copy] autorelease];
+  return [sortedArray makeImmutableCopyOnFail:NO];
 }
 
 @end