diff --git a/.gitattributes b/.gitattributes
index 9fd591a..c9ac1f6 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -5,7 +5,7 @@ xlsx*.js    text eol=lf
 *.flow.js   text eol=lf
 
 docbits/*      linguist-documentation
-dist/*         linguist-generated=true
-xlsx.js        linguist-generated=true
-xlsxworker.js  linguist-generated=true
-tests/core.js  linguist-generated=true
+dist/*         linguist-generated=true binary
+xlsx.js        linguist-generated=true binary
+xlsxworker.js  linguist-generated=true binary
+tests/core.js  linguist-generated=true binary