diff --git a/GNUmakefile b/GNUmakefile
index e39a687..026f9c4 100644
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -140,7 +140,7 @@ all: ../lib/libctb$(LIBFLAG)$(GPIBFLAG)-0.16.a ../lib/libctb$(LIBFLAG)$(GPIBFLAG

 install: install_ctb_lib install_ctb_dll
 	$(INSTALL) -d $(DESTDIR)$(prefix)/include/ctb-0.16
-	for f in ctb.h fifo.h getopt.h $(GPIBINC) iobase.h linux/serport.h linux/timer.h portscan.h serport.h serportx.h timer.h; do \
+	for f in ctb.h fifo.h getopt.h $(GPIBINC) iobase.h kbhit.h linux/serport.h linux/timer.h portscan.h serport.h serportx.h timer.h; do \
 	if test ! -d $(DESTDIR)$(prefix)/include/ctb-0.16/`dirname $$f` ; then \
 	$(INSTALL) -d $(DESTDIR)$(prefix)/include/ctb-0.16/`dirname $$f`; \
 	fi; \