diff --git a/configure b/configure
index fdeee6d55..bb4bdefa8 100755
--- a/configure
+++ b/configure
@@ -26120,6 +26120,7 @@ printf %s "checking for Linux kd.h... " >&6; }
 
       #include <linux/kd.h>
       #include <linux/keyboard.h>
+      #include <sys/ioctl.h>
 
 int
 main (void)