diff --git a/build/git-ignore-generated-files.js b/build/git-ignore-generated-files.js
index <HASH>..<HASH> 100644
--- a/build/git-ignore-generated-files.js
+++ b/build/git-ignore-generated-files.js
@@ -79,7 +79,7 @@ function gitUpdateIndex (command, allFiles) {
         const batchSize = process.platform === 'win32' ? 250 : Infinity
 
         for (const files of slice (allFiles, batchSize)) {
-            execSync (`git update-index --ignore-missing --${command} ` + files.join (' '))
+            execSync (`git update-index --${command} ` + files.join (' '))
         }
 
     } catch (e) {
removed --ignore-missing from git-ignore-generated-files (as it turned out to be unrelated...)