diff --git a/man2/sigaltstack.2 b/man2/sigaltstack.2
index f1506cfba..189db1b3a 100644
--- a/man2/sigaltstack.2
+++ b/man2/sigaltstack.2
@@ -295,12 +295,17 @@ The following code segment demonstrates the use of
 stack_t ss;
 
 ss.ss_sp = malloc(SIGSTKSZ);
-if (ss.ss_sp == NULL)
-    /* Handle error */;
+if (ss.ss_sp == NULL) {
+    perror("malloc");
+    exit(EXIT_FAILURE);
+}
+
 ss.ss_size = SIGSTKSZ;
 ss.ss_flags = 0;
 if (sigaltstack(&ss, NULL) == \-1)
-    /* Handle error */;
+    perror("sigaltstack");
+    exit(EXIT_FAILURE);
+}
 .EE
 .in
 .SH BUGS