diff --git a/Makefile b/Makefile
index 79cee076..81b0b935 100755
--- a/Makefile
+++ b/Makefile
@@ -252,6 +252,8 @@ ifeq ($(YQ2_OSTYPE),Linux)
 INCLUDE ?= -I/usr/include
 else ifeq ($(YQ2_OSTYPE),FreeBSD)
 INCLUDE ?= -I/usr/local/include
+else ifeq ($(YQ2_OSTYPE),NetBSD)
+INCLUDE ?= -I/usr/X11R7/include -I/usr/pkg/include
 else ifeq ($(YQ2_OSTYPE),OpenBSD)
 INCLUDE ?= -I/usr/local/include
 else ifeq ($(YQ2_OSTYPE),Windows)
@@ -270,6 +272,8 @@ ifeq ($(YQ2_OSTYPE),Linux)
 LDFLAGS ?= -L/usr/lib
 else ifeq ($(YQ2_OSTYPE),FreeBSD)
 LDFLAGS ?= -L/usr/local/lib
+else ifeq ($(YQ2_OSTYPE),NetBSD)
+LDFLAGS ?= -L/usr/X11R7/lib -Wl,-R/usr/X11R7/lib -L/usr/pkg/lib -Wl,-R/usr/pkg/lib
 else ifeq ($(YQ2_OSTYPE),OpenBSD)
 LDFLAGS ?= -L/usr/local/lib
 else ifeq ($(YQ2_OSTYPE),Windows)
@@ -286,6 +290,8 @@ ifeq ($(YQ2_OSTYPE),Linux)
 override LDFLAGS += -lm -ldl -rdynamic
 else ifeq ($(YQ2_OSTYPE),FreeBSD)
 override LDFLAGS += -lm
+else ifeq ($(YQ2_OSTYPE),NetBSD)
+override LDFLAGS += -lm
 else ifeq ($(YQ2_OSTYPE),OpenBSD)
 override LDFLAGS += -lm
 else ifeq ($(YQ2_OSTYPE),Windows)
@@ -452,6 +458,11 @@ release/quake2 : CFLAGS += -DHAVE_EXECINFO
 release/quake2 : LDFLAGS += -lexecinfo
 endif
 
+ifeq ($(YQ2_OSTYPE), NetBSD)
+release/quake2 : CFLAGS += -DHAVE_EXECINFO
+release/quake2 : LDFLAGS += -lexecinfo
+endif
+
 ifeq ($(YQ2_OSTYPE), OpenBSD)
 release/quake2 : CFLAGS += -DHAVE_EXECINFO
 release/quake2 : LDFLAGS += -lexecinfo
diff --git a/README.md b/README.md
index adeba833..4cf1b2c4 100644
--- a/README.md
+++ b/README.md
@@ -6,8 +6,8 @@ are unchanged, but many bugs in the last official release were fixed and some
 nice to have features like widescreen support and a modern OpenGL 3.2 renderer
 were added. Unlike most other Quake II source ports Yamagi Quake II is fully 64-bit
 clean. It works perfectly on modern processors and operating systems. Yamagi
-Quake II runs on nearly all common platforms; including FreeBSD, Linux, OpenBSD,
-Windows and macOS (experimental).
+Quake II runs on nearly all common platforms; including FreeBSD, Linux, NetBSD,
+OpenBSD, Windows and macOS (experimental).
 
 This code is built upon Icculus Quake II, which itself is based on Quake II
 3.21. Yamagi Quake II is released under the terms of the GPL version 2. See the