diff --git a/ISSUE_TEMPLATE.md b/ISSUE_TEMPLATE.md
index 093e086..613fcfb 100644
--- a/ISSUE_TEMPLATE.md
+++ b/ISSUE_TEMPLATE.md
@@ -7,6 +7,7 @@
 ## Information
 
 VIM version: PASTE JUST THE FIRST LINE OF `:version` HERE.
+Operating System: WHAT OS WERE YOU USING?
 
 ### :ALEInfo