2 files changed, 5 insertions, 2 deletions

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 7f6e216..8685d1b 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -7,7 +7,10 @@ on:
 
 jobs:
   test:
-    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest]
+    runs-on: ${{matrix.os}}
     steps:
       - uses: actions/checkout@v2.4.0
         with:
diff --git a/clap/args.zig b/clap/args.zig
index 16299c8..90c50fa 100644
--- a/clap/args.zig
+++ b/clap/args.zig
@@ -73,7 +73,7 @@ pub const OsIterator = struct {
 
     pub fn next(iter: *OsIterator) Error!?[:0]const u8 {
         if (builtin.os.tag == .windows) {
-            return try iter.args.next(iter.arena.allocator()) orelse return null;
+            return (try iter.args.next(iter.arena.allocator())) orelse return null;
         } else {
             return iter.args.nextPosix();
         }