diff --git a/man2/sigaction.2 b/man2/sigaction.2
index 5262b81c9..3225dc990 100644
--- a/man2/sigaction.2
+++ b/man2/sigaction.2
@@ -1161,9 +1161,9 @@ handler(int signo, siginfo_t *info, void *context)
 {
     struct sigaction oldact;
 
-    if (sigaction(SIGSEGV, NULL, &oldact) != 0 ||
-        (oldact.sa_flags & SA_UNSUPPORTED) ||
-        !(oldact.sa_flags & SA_EXPOSE_TAGBITS)) {
+    if (sigaction(SIGSEGV, NULL, &oldact) == \-1 ||
+            (oldact.sa_flags & SA_UNSUPPORTED) ||
+            !(oldact.sa_flags & SA_EXPOSE_TAGBITS)) {
         _exit(EXIT_FAILURE);
     }
     _exit(EXIT_SUCCESS);
@@ -1172,11 +1172,11 @@ handler(int signo, siginfo_t *info, void *context)
 int
 main(void)
 {
-    struct sigaction act = {0};
+    struct sigaction act = { 0 };
 
     act.sa_flags = SA_SIGINFO | SA_UNSUPPORTED | SA_EXPOSE_TAGBITS;
     act.sa_sigaction = &handler;
-    if (sigaction(SIGSEGV, &act, NULL) != 0) {
+    if (sigaction(SIGSEGV, &act, NULL) == \-1) {
         perror("sigaction");
         exit(EXIT_FAILURE);
     }