1 files changed, 1 insertions, 0 deletions

diff --git a/src/systty.h b/src/systty.h
index b5d7c7b7cfa..4814c913b01 100644
--- a/src/systty.h
+++ b/src/systty.h
@@ -116,6 +116,7 @@ static struct sensemode {
 #endif /* not HAVE_TERMIO */
 
 #ifdef __GNU_LIBRARY__
+#include <sys/ioctl.h>
 #include <termios.h>
 #endif