diff --git a/Headers/gnustep/base/Array.h b/Headers/gnustep/base/Array.h
index 4b97b8b62..008b0cb6f 100644
--- a/Headers/gnustep/base/Array.h
+++ b/Headers/gnustep/base/Array.h
@@ -28,7 +28,7 @@
 #include <objects/IndexedCollection.h>
 #include <objects/OrderedCollecting.h>
 
-@interface ConstantArray : IndexedCollection
+@interface ConstantArray : ConstantIndexedCollection
 {
   @public
   id *_contents_array;
diff --git a/Source/objects/Array.h b/Source/objects/Array.h
index 4b97b8b62..008b0cb6f 100644
--- a/Source/objects/Array.h
+++ b/Source/objects/Array.h
@@ -28,7 +28,7 @@
 #include <objects/IndexedCollection.h>
 #include <objects/OrderedCollecting.h>
 
-@interface ConstantArray : IndexedCollection
+@interface ConstantArray : ConstantIndexedCollection
 {
   @public
   id *_contents_array;