diff --git a/configure b/configure
index 4d835dc4e0..66bf858dc8 100755
--- a/configure
+++ b/configure
@@ -63,8 +63,8 @@ def configure_meson(args, options):
     os.mkdir(build_dir)
 
     try:
-        subprocess.check_call([meson, "../"] + args, cwd=build_dir)
-        subprocess.check_call([os.path.join(ROOTDIR, 'meson', 'mesonconf.py')]
+        subprocess.check_call([sys.executable, meson, "../"] + args, cwd=build_dir)
+        subprocess.check_call([sys.executable, os.path.join(ROOTDIR, 'meson', 'mesonconf.py')]
                               + get_configs(meson), cwd=build_dir)
     except subprocess.CalledProcessError as e:
         print("EXIT meson return %s" % e.returncode)
diff --git a/gst-uninstalled.py b/gst-uninstalled.py
index a6e1592e63..a698bf9cf8 100755
--- a/gst-uninstalled.py
+++ b/gst-uninstalled.py
@@ -123,7 +123,10 @@ if __name__ == "__main__":
         exit(1)
 
     if not args:
-        args = [os.environ.get("SHELL", os.path.realpath("/bin/sh"))]
+        if os.name is 'nt':
+            args = [os.environ.get("COMSPEC", r"C:\WINDOWS\system32\cmd.exe")]
+        else:
+            args = [os.environ.get("SHELL", os.path.realpath("/bin/sh"))]
         if args[0] == "/bin/bash":
             args.append("--noprofile")