diff --git a/config.mk b/config.mk
index b41a949..f0c7e2e 100644
--- a/config.mk
+++ b/config.mk
@@ -19,6 +19,7 @@ SYSTEM = -D`uname | tr a-z A-Z`
 #SYSTEM = -DLINUX
 #SYSTEM = -DOPENBSD
 #SYSTEM = -DFREEBSD
+#SYSTEM = -DNETBSD
 
 # flags
 CPPFLAGS = -DVERSION=\"${VERSION}\" ${SYSTEM}
diff --git a/st.c b/st.c
index 436533c..af3ec6d 100644
--- a/st.c
+++ b/st.c
@@ -22,7 +22,7 @@
 
 #if   defined(LINUX)
  #include <pty.h>
-#elif defined(OPENBSD)
+#elif defined(OPENBSD) || defined(NETBSD)
  #include <util.h>
 #elif defined(FREEBSD)
  #include <libutil.h>