diff --git a/platform_build/windows_ant/build.xml b/platform_build/windows_ant/build.xml
index 6b7a4474..ef6910a1 100644
--- a/platform_build/windows_ant/build.xml
+++ b/platform_build/windows_ant/build.xml
@@ -4,7 +4,7 @@
 	<property name="native" location="../src/native"/>
 	<property environment="env"/>
 	<property name="dxhome" location="${env.DXSDK_DIR}"/>
-	<property name="sdkhome" location="${env.MSSDk}"/>
+	<property name="sdkhome" location="${env.MSSDK}"/>
 	<property name="program_files" location="${env.ProgramFiles}"/>
 	<property name="alhome" location="${program_files}\OpenAL 1.1 with EFX SDK"/>
 	<property name="dllname" value="lwjgl.dll"/>