diff --git a/src/util-memfile.c b/src/util-memfile.c
index 6172c04..223199a 100644
--- a/src/util-memfile.c
+++ b/src/util-memfile.c
@@ -68,8 +68,9 @@ memfile_new(const char *data, size_t sz) {
 	fcntl(fd, F_ADD_SEALS, F_SEAL_SHRINK);
 
 	int rc;
-	with_signals_blocked(SIGALRM)
-		rc = posix_fallocate(fd, 0, sz);
+	with_signals_blocked(SIGALRM) {
+		rc = SYSCALL(posix_fallocate(fd, 0, sz));
+	}
 	if (rc < 0)
 		return NULL;