diff --git a/test/sys/test_aio.rs b/test/sys/test_aio.rs
index d4b09b0b81..d985adfc8a 100644
--- a/test/sys/test_aio.rs
+++ b/test/sys/test_aio.rs
@@ -134,6 +134,12 @@ fn test_fsync_error() {
 #[test]
 #[cfg_attr(all(target_env = "musl", target_arch = "x86_64"), ignore)]
 fn test_aio_suspend() {
+    // Glibc's aio_suspend implementation isn't async-signal-safe, and it causes
+    // assertions (within glibc) on Travis.
+    // https://sourceware.org/bugzilla/show_bug.cgi?id=13172
+    #[cfg(target_env = "glibc")]
+    let _m = ::SIGNAL_MTX.lock().expect("Mutex got poisoned by another test");
+
     const INITIAL: &[u8] = b"abcdef123456";
     const WBUF: &[u8] = b"CDEFG";
     let timeout = TimeSpec::seconds(10);