diff --git a/src/libextra/time.rs b/src/libextra/time.rs
index d19181ab9f182..0961a051c8e44 100644
--- a/src/libextra/time.rs
+++ b/src/libextra/time.rs
@@ -1459,7 +1459,7 @@ mod tests {
     }
 
     #[test]
-    #[ignore(cfg(android))] // FIXME #10958
+    #[ignore(cfg(target_os = "android"))] // FIXME #10958
     fn run_tests() {
         // The tests race on tzset. So instead of having many independent
         // tests, we will just call the functions now.