diff --git a/lib/kpty.cpp b/lib/kpty.cpp
index 5234b5fc..2611d48c 100644
--- a/lib/kpty.cpp
+++ b/lib/kpty.cpp
@@ -26,7 +26,7 @@
 
 #include <QtDebug>
 
-#if defined(__FreeBSD__) || defined(__DragonFly__)
+#if defined(__FreeBSD__) || defined(__DragonFly__) || defined(__HAIKU__)
 #define HAVE_LOGIN
 #define HAVE_LIBUTIL_H
 #endif
@@ -95,9 +95,15 @@
 #endif
 
 #ifdef HAVE_UTEMPTER
+# ifdef __HAIKU__
+/* Haiku doesn't have any of those yet, so we fake the simplest */
+#  define addToUtmp(n, h, fd) {}
+#  define removeLineFromUtmp(n, fd) {}
+# else
 extern "C" {
 # include <utempter.h>
 }
+# endif
 #else
 # include <utmp.h>
 # ifdef HAVE_UTMPX
@@ -135,7 +141,7 @@ extern "C" {
 #if defined (__FreeBSD__) || defined(__FreeBSD_kernel__) || defined (__NetBSD__) || defined (__OpenBSD__) || defined (__bsdi__) || defined(__APPLE__) || defined (__DragonFly__)
 # define _tcgetattr(fd, ttmode) ioctl(fd, TIOCGETA, (char *)ttmode)
 #else
-# if defined(_HPUX_SOURCE) || defined(__Lynx__) || defined (__CYGWIN__) || defined(__GNU__)
+# if defined(_HPUX_SOURCE) || defined(__Lynx__) || defined (__CYGWIN__) || defined(__GNU__) || defined (__HAIKU__)
 #  define _tcgetattr(fd, ttmode) tcgetattr(fd, ttmode)
 # else
 #  define _tcgetattr(fd, ttmode) ioctl(fd, TCGETS, (char *)ttmode)
@@ -145,7 +151,7 @@ extern "C" {
 #if defined (__FreeBSD__) || defined(__FreeBSD_kernel__) || defined (__NetBSD__) || defined (__OpenBSD__) || defined (__bsdi__) || defined(__APPLE__) || defined (__DragonFly__)
 # define _tcsetattr(fd, ttmode) ioctl(fd, TIOCSETA, (char *)ttmode)
 #else
-# if defined(_HPUX_SOURCE) || defined(__CYGWIN__) || defined(__GNU__)
+# if defined(_HPUX_SOURCE) || defined(__CYGWIN__) || defined(__GNU__) || defined (__HAIKU__)
 #  define _tcsetattr(fd, ttmode) tcsetattr(fd, TCSANOW, ttmode)
 # else
 #  define _tcsetattr(fd, ttmode) ioctl(fd, TCSETS, (char *)ttmode)
diff --git a/qmltermwidget.pro b/qmltermwidget.pro
index c9594a99..af90d646 100644
--- a/qmltermwidget.pro
+++ b/qmltermwidget.pro
@@ -9,6 +9,7 @@ DESTDIR = $$OUT_PWD/QMLTermWidget
 
 DEFINES += HAVE_POSIX_OPENPT HAVE_SYS_TIME_H
 macx:DEFINES += HAVE_UTMPX _UTMPX_COMPAT HAVE_PTSNAME HAVE_UNLOCKPT HAVE_GRANTPT
+haiku:DEFINES += HAVE_PTSNAME GRANTPT HAVE_UTEMPTER
 
 INCLUDEPATH += $$PWD/lib
 DEPENDPATH  += $$PWD/lib