diff --git a/ccutil/host.h b/ccutil/host.h
index 95bdee249b..ee7cb95b99 100644
--- a/ccutil/host.h
+++ b/ccutil/host.h
@@ -68,8 +68,8 @@
 #undef max
 #endif
 
-#include <inttypes.h>            // PRId32, ...
-#include <stdint.h>              // int32_t, ...
+#include <cinttypes>    // PRId32, ...
+#include <cstdint>      // int32_t, ...
 
 /********************************************************/
 /* __MAC__ */