diff --git a/tools/testbuild.sh b/tools/testbuild.sh
index d23ca89ebf..ca4695d8f6 100755
--- a/tools/testbuild.sh
+++ b/tools/testbuild.sh
@@ -173,6 +173,8 @@ function configure {
     kconfig-tweak --file $nuttx/.config --enable CONFIG_HOST_LINUX
     kconfig-tweak --file $nuttx/.config --disable CONFIG_HOST_WINDOWS
 
+    kconfig-tweak --file $nuttx/.config --disable CONFIG_TOOLCHAIN_WINDOWS
+
     kconfig-tweak --file $nuttx/.config --disable CONFIG_WINDOWS_NATIVE
     kconfig-tweak --file $nuttx/.config --disable CONFIG_WINDOWS_CYGWIN
     kconfig-tweak --file $nuttx/.config --disable CONFIG_WINDOWS_MSYS