diff --git a/flow-libs/chalk.flow b/flow-libs/chalk.flow
index 7108272ed32..4a4a75b8d61 100644
--- a/flow-libs/chalk.flow
+++ b/flow-libs/chalk.flow
@@ -4,6 +4,7 @@
  * Flowgen v1.13.0
  * @flow
  */
+declare module 'chalk' { // manually added
 
 /**
  * Basic foreground colors.
@@ -390,3 +391,6 @@ declare var chalk: chalk$Chalk &
     ...
   };
 declare export default typeof chalk;
+
+
+}