diff --git a/wscript b/wscript
index 8f3f696..3788c67 100644
--- a/wscript
+++ b/wscript
@@ -19,6 +19,10 @@ def build(bld):
     defines += ['VERSION="%s"' % VERSION]
     includes = [p for p in bld.path.ant_glob("src/**", dir = True) if os.path.isdir(p.abspath())]
     includes += ["libs/glcxx/include"]
+    if platform.system() == "Linux":
+        defines += ["PLATFORM_LINUX"]
+    elif platform.system() == "Windows":
+        defines += ["PLATFORM_WINDOWS"]
     bld(features = "c cprogram cxx cxxprogram",
         target = APPNAME,
         source = bld.path.ant_glob(["src/**/*.cc", "src/**/*.c", "libs/glcxx/src/glcxx/*"]),
@@ -29,8 +33,10 @@ def build(bld):
         uselib = ["SDL2", "FreeType2"])
 
     test_libs = []
-    if re.search(r'linux', platform.platform(), re.IGNORECASE):
+    if platform.system() == "Linux":
         test_libs += ["pthread"]
+    elif platform.system() == "Windows":
+        pass
     test_sources = bld.path.ant_glob("src/core/**/*.cc")
     test_sources += bld.path.ant_glob("test/src/**/*.cc")
     test_sources += ["libs/googletest/src/gtest-all.cc"]