diff --git a/macros/src/lib.rs b/macros/src/lib.rs
index b7e1d55..45e0db0 100644
--- a/macros/src/lib.rs
+++ b/macros/src/lib.rs
@@ -43,7 +43,7 @@ mod systems {
             target_os = "netbsd",
             target_os = "openbsd",
             target_os = "wasi",
-            target_os = "emscripten",
+            target_os = "emscripten"
         }
     }