1 files changed, 2 insertions, 2 deletions
diff --git a/src/libnm-systemd-shared/src/fundamental/string-util-fundamental.c b/src/libnm-systemd-shared/src/fundamental/string-util-fundamental.c
index 11701ebe52..484131d72a 100644
--- a/src/libnm-systemd-shared/src/fundamental/string-util-fundamental.c
+++ b/src/libnm-systemd-shared/src/fundamental/string-util-fundamental.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: LGPL-2.1-or-later */
 
-#ifndef SD_BOOT
+#if !SD_BOOT
 #  include <ctype.h>
 #endif
 
@@ -20,7 +20,7 @@ sd_char *startswith(const sd_char *s, const sd_char *prefix) {
         return (sd_char*) s + l;
 }
 
-#ifndef SD_BOOT
+#if !SD_BOOT
 sd_char *startswith_no_case(const sd_char *s, const sd_char *prefix) {
         size_t l;