bin/install_megadrivers.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git i/bin/install_megadrivers.py w/bin/install_megadrivers.py
index f751c8329c4..c4760f578ac 100644
--- i/bin/install_megadrivers.py
+++ w/bin/install_megadrivers.py
@@ -25,6 +25,7 @@
 import argparse
 import os
 import shutil
+import sys
 
 
 def main():
@@ -35,7 +36,11 @@ def main():
     args = parser.parse_args()
 
     if os.path.isabs(args.libdir):
-        to = os.path.join(os.environ.get('DESTDIR', ''), args.libdir)
+        if sys.platform.startswith('win32'):
+            drive, tail = os.path.splitdrive(args.libdir)
+        else:
+            drive, tail = '/', args.libdir
+        to = os.path.join(os.environ.get('DESTDIR', drive), tail[1:])
     else:
         to = os.path.join(os.environ['MESON_INSTALL_DESTDIR_PREFIX'], args.libdir)