diff --git a/make_win_usb b/make_win_usb
index 5bdf4c0..447b45e 100755
--- a/make_win_usb
+++ b/make_win_usb
@@ -57,7 +57,7 @@ if [ ! $(command -v ms-sys) ]; then
   # Extract and install ms-sys
   cd /tmp
   tar xzvf /tmp/ms-sys-"${MS_SYS_VERSION}".tar.gz
-  cd /tmp/ms-sys-"${MS_SYS_VERSION}".tar.gz
+  cd /tmp/ms-sys-"${MS_SYS_VERSION}"
   sudo make
   sudo make install
 fi