diff --git a/kdecore/kpty.cpp b/kdecore/kpty.cpp
index 035ca530a..45e9c6ffd 100644
--- a/kdecore/kpty.cpp
+++ b/kdecore/kpty.cpp
@@ -308,7 +308,7 @@ bool KPty::open()
   if (d->masterFd >= 0)
     return true;
 
-#if defined(__OpenBSD__) || defined(__FreeBSD__)
+#if defined(HAVE_OPENPTY)
   char cpty[16];
 
   if (openpty(&d->masterFd, &d->slaveFd, cpty, NULL, &d->winSize) == 0) {