diff --git a/wildtest.c b/wildtest.c
index ace0c381..77447924 100644
--- a/wildtest.c
+++ b/wildtest.c
@@ -32,9 +32,7 @@ int fnmatch_errors = 0;
 
 int wildmatch_errors = 0;
 
-#if !defined(__STDC_VERSION__) || __STDC_VERSION__ < 202311L
-typedef char bool;
-#endif
+#include <stdbool.h>
 
 int output_iterations = 0;
 int explode_mod = 0;