1 files changed, 1 insertions, 2 deletions

diff --git a/sway/commands/input/map_to_region.c b/sway/commands/input/map_to_region.c
index 284b57d0..9087c589 100644
--- a/sway/commands/input/map_to_region.c
+++ b/sway/commands/input/map_to_region.c
@@ -1,4 +1,3 @@
-#define _POSIX_C_SOURCE 200809L
 #include <stdlib.h>
 #include <string.h>
 #include "sway/commands.h"
@@ -49,5 +48,5 @@ struct cmd_results *input_cmd_map_to_region(int argc, char **argv) {
 error:
         free(ic->mapped_to_region);
         ic->mapped_to_region = NULL;
-        return cmd_results_new(CMD_FAILURE, errstr);
+        return cmd_results_new(CMD_FAILURE, "%s", errstr);
 }