diff --git a/docs/windows-setup.rst b/docs/windows-setup.rst
index 16b46732a7..9c90d9183b 100644
--- a/docs/windows-setup.rst
+++ b/docs/windows-setup.rst
@@ -8,7 +8,7 @@ Windows doesn't have a built-in "make" environment, so as well as installing the
 
 The quick setup is to download the Windows all-in-one toolchain & MSYS zip file from dl.espressif.com:
 
-https://dl.espressif.com/dl/esp32_win32_msys2_environment_and_toolchain-20170321.zip
+https://dl.espressif.com/dl/esp32_win32_msys2_environment_and_toolchain-20170330.zip
 
 Unzip the zip file to ``C:\`` (or some other location, but this guide assumes ``C:\``) and it will create an "msys32" directory with a pre-prepared environment.
 
diff --git a/tools/windows/windows_install_prerequisites.sh b/tools/windows/windows_install_prerequisites.sh
index 1b3f39059c..b4d6337682 100644
--- a/tools/windows/windows_install_prerequisites.sh
+++ b/tools/windows/windows_install_prerequisites.sh
@@ -51,7 +51,7 @@ rm ~/${TOOLCHAIN_ZIP}
 cat > /etc/profile.d/esp32_toolchain.sh << EOF
 # This file was created by ESP-IDF windows_install_prerequisites.sh
 # and will be overwritten if that script is run again.
-export PATH="$PATH:/opt/xtensa-esp32-elf/bin"
+export PATH="\$PATH:/opt/xtensa-esp32-elf/bin"
 EOF
 
 # clean up pacman packages to save some disk space