diff --git a/man7/aio.7 b/man7/aio.7
index b150a2615..275c0b763 100644
--- a/man7/aio.7
+++ b/man7/aio.7
@@ -282,12 +282,14 @@ quitHandler(int sig)
 static void                 /* Handler for I/O completion signal */
 aioSigHandler(int sig, siginfo_t *si, void *ucontext)
 {
-    write(STDOUT_FILENO, "I/O completion signal received\\n", 31);
+    if (si->si_code == SI_ASYNCIO) {
+        write(STDOUT_FILENO, "I/O completion signal received\\n", 31);
 
-    /* The corresponding ioRequest structure would be available as
-           struct ioRequest *ioReq = si\->si_value.sival_ptr;
-       and the file descriptor would then be available via
-           ioReq\->aiocbp\->aio_fildes */
+        /* The corresponding ioRequest structure would be available as
+               struct ioRequest *ioReq = si\->si_value.sival_ptr;
+           and the file descriptor would then be available via
+               ioReq\->aiocbp\->aio_fildes */
+    }
 }
 
 int