diff --git a/scripts/genie.lua b/scripts/genie.lua
index 053af6f0..f4dad61e 100644
--- a/scripts/genie.lua
+++ b/scripts/genie.lua
@@ -49,6 +49,14 @@ toolchain(BGFX_BUILD_DIR, BGFX_THIRD_PARTY_DIR)
 function copyLib()
 end
 
+if _OPTIONS["with-sdl"] then
+	if os.is("windows") then
+		if not os.getenv("SDL2_DIR") then
+			print("Set SDL2_DIR enviroment variable.")
+		end
+	end
+end
+
 function exampleProject(_name)
 
 	project ("example-" .. _name)