Enable install targets for NetBSD.
diff --git a/Makefile b/Makefile
index 0ca7714..c9f1fe4 100644
--- a/Makefile
+++ b/Makefile
@@ -51,7 +51,7 @@
 #----------------------------------------------------------------------------------
 #make install is validated only for Linux, OSX, kFreeBSD, Hurd and some BSD targets
 #----------------------------------------------------------------------------------
-ifneq (,$(filter $(shell uname),Linux Darwin GNU/kFreeBSD GNU FreeBSD DragonFly))
+ifneq (,$(filter $(shell uname),Linux Darwin GNU/kFreeBSD GNU FreeBSD DragonFly NetBSD))
 HOST_OS = POSIX
 install:
 	$(MAKE) -C $(ZSTDDIR) $@
diff --git a/lib/Makefile b/lib/Makefile
index 35522da..4517363 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -78,7 +78,7 @@
 
 #------------------------------------------------------------------------
 #make install is validated only for Linux, OSX, kFreeBSD, Hurd and some BSD targets
-ifneq (,$(filter $(shell uname),Linux Darwin GNU/kFreeBSD GNU FreeBSD DragonFly))
+ifneq (,$(filter $(shell uname),Linux Darwin GNU/kFreeBSD GNU FreeBSD DragonFly NetBSD))
 
 libzstd.pc:
 libzstd.pc: libzstd.pc.in
diff --git a/programs/Makefile b/programs/Makefile
index 280c272..3043641 100644
--- a/programs/Makefile
+++ b/programs/Makefile
@@ -127,7 +127,7 @@
 #----------------------------------------------------------------------------------
 #make install is validated only for Linux, OSX, kFreeBSD, Hurd and some BSD targets
 #----------------------------------------------------------------------------------
-ifneq (,$(filter $(shell uname),Linux Darwin GNU/kFreeBSD GNU OpenBSD FreeBSD DragonFly))
+ifneq (,$(filter $(shell uname),Linux Darwin GNU/kFreeBSD GNU OpenBSD FreeBSD DragonFly NetBSD))
 install: zstd
 	@echo Installing binaries
 	@install -d -m 755 $(DESTDIR)$(BINDIR)/ $(DESTDIR)$(MANDIR)/