diff --git a/repository/Zinc-Character-Encoding-Core.package/ZnEncodedReadStream.class/instance/collectionSpecies.st b/repository/Zinc-Character-Encoding-Core.package/ZnEncodedReadStream.class/instance/collectionSpecies.st
new file mode 100644
index 00000000..9d11ddb0
--- /dev/null
+++ b/repository/Zinc-Character-Encoding-Core.package/ZnEncodedReadStream.class/instance/collectionSpecies.st
@@ -0,0 +1,3 @@
+accessing
+collectionSpecies
+	^ self subclassResponsibility
\ No newline at end of file