5 files changed, 5 insertions, 5 deletions
diff --git a/sway/commands/input/xkb_layout.c b/sway/commands/input/xkb_layout.c
index 5fccd4a3..43166401 100644
--- a/sway/commands/input/xkb_layout.c
+++ b/sway/commands/input/xkb_layout.c
@@ -1,4 +1,4 @@
-#define _XOPEN_SOURCE 700
+#define _POSIX_C_SOURCE 200809L
 #include "sway/config.h"
 #include "sway/commands.h"
 #include "sway/input/input-manager.h"
diff --git a/sway/commands/input/xkb_model.c b/sway/commands/input/xkb_model.c
index c4d04638..066f632b 100644
--- a/sway/commands/input/xkb_model.c
+++ b/sway/commands/input/xkb_model.c
@@ -1,4 +1,4 @@
-#define _XOPEN_SOURCE 700
+#define _POSIX_C_SOURCE 200809L
 #include "sway/config.h"
 #include "sway/commands.h"
 #include "sway/input/input-manager.h"
diff --git a/sway/commands/input/xkb_options.c b/sway/commands/input/xkb_options.c
index 794ab6e9..09dc4a5c 100644
--- a/sway/commands/input/xkb_options.c
+++ b/sway/commands/input/xkb_options.c
@@ -1,4 +1,4 @@
-#define _XOPEN_SOURCE 700
+#define _POSIX_C_SOURCE 200809L
 #include "sway/config.h"
 #include "sway/commands.h"
 #include "sway/input/input-manager.h"
diff --git a/sway/commands/input/xkb_rules.c b/sway/commands/input/xkb_rules.c
index 257c3288..d3e576e6 100644
--- a/sway/commands/input/xkb_rules.c
+++ b/sway/commands/input/xkb_rules.c
@@ -1,4 +1,4 @@
-#define _XOPEN_SOURCE 700
+#define _POSIX_C_SOURCE 200809L
 #include "sway/config.h"
 #include "sway/commands.h"
 #include "sway/input/input-manager.h"
diff --git a/sway/commands/input/xkb_variant.c b/sway/commands/input/xkb_variant.c
index 3832dc8e..2d7581d1 100644
--- a/sway/commands/input/xkb_variant.c
+++ b/sway/commands/input/xkb_variant.c
@@ -1,4 +1,4 @@
-#define _XOPEN_SOURCE 700
+#define _POSIX_C_SOURCE 200809L
 #include "sway/config.h"
 #include "sway/commands.h"
 #include "sway/input/input-manager.h"