diff --git a/slave.c b/slave.c
index fa57b86e..c4c6d4d0 100644
--- a/slave.c
+++ b/slave.c
@@ -275,11 +275,13 @@ slave_spawn(int ptmx, int argc, const char *cwd, char *const *argv,
         }
 
         /* Restore signal mask, and SIG_IGN'd signals */
+        const struct sigaction dfl = {.sa_handler = SIG_DFL};
         sigset_t mask;
         sigemptyset(&mask);
+
         if (sigprocmask(SIG_SETMASK, &mask, NULL) < 0 ||
-            sigaction(SIGHUP, &(struct sigaction){.sa_handler = SIG_DFL}, NULL) < 0 ||
-            sigaction(SIGPIPE, &(struct sigaction){.sa_handler = SIG_DFL}, NULL) < 0)
+            sigaction(SIGHUP, &dfl, NULL) < 0 ||
+            sigaction(SIGPIPE, &dfl, NULL) < 0)
         {
             const int errno_copy = errno;
             LOG_ERRNO_P(errno, "failed to restore signals");