diff --git a/cmd-line-utils/libedit/readline/readline.h b/cmd-line-utils/libedit/readline/readline.h
index 902179c208a..c43f71fb51d 100644
--- a/cmd-line-utils/libedit/readline/readline.h
+++ b/cmd-line-utils/libedit/readline/readline.h
@@ -73,7 +73,7 @@ typedef KEYMAP_ENTRY *Keymap;
 
 #ifndef CTRL
 #include <sys/ioctl.h>
-#ifdef __GLIBC__
+#if defined(__GLIBC__) || defined(__MWERKS__)
 #include <sys/ttydefaults.h>
 #endif
 #ifndef CTRL