diff --git a/CHANGELOG b/CHANGELOG
index 542e10238..9071b1c95 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -29,6 +29,9 @@
 
 * Pending changes since 16.1.3
 ** Enhancements
+- ~ext:run-program~: when gray stream supplied as one of stream arguments
+  function will issue a warning and create new stream for the process
+  (instead of signalling a condition)
 - ~ext:run-program~: environ argument defaults to ~:default~, when NIL
   passed empty environment is used
 - compiler: when gcc fails ecl prints the failing command output