diff --git a/libc-test/build.rs b/libc-test/build.rs
index d5ade285ad99f..237e836997bfa 100644
--- a/libc-test/build.rs
+++ b/libc-test/build.rs
@@ -2701,6 +2701,13 @@ fn test_freebsd(target: &str) {
             _ => false,
         }
     });
+    if target.contains("arm") {
+        cfg.skip_roundtrip(move |s| match s {
+            // Can't return an array from a C function.
+            "__gregset_t" => true,
+            _ => false,
+        });
+    }
 
     cfg.generate("../src/lib.rs", "main.rs");
 }