diff --git a/tests/gpgscm/ffi.c b/tests/gpgscm/ffi.c
index 34e573f97..3af3328d3 100644
--- a/tests/gpgscm/ffi.c
+++ b/tests/gpgscm/ffi.c
@@ -341,6 +341,24 @@ do_seek (scheme *sc, pointer args)
                   ? gpg_error_from_syserror () : 0);
 }
 
+static pointer
+do_get_temp_path (scheme *sc, pointer args)
+{
+  FFI_PROLOG ();
+#ifdef HAVE_W32_SYSTEM
+  char buffer[MAX_PATH+1];
+#endif
+  FFI_ARGS_DONE_OR_RETURN (sc, args);
+
+#ifdef HAVE_W32_SYSTEM
+  if (GetTempPath (MAX_PATH+1, buffer) == 0)
+    FFI_RETURN_STRING (sc, "/temp");
+  FFI_RETURN_STRING (sc, buffer);
+#else
+  FFI_RETURN_STRING (sc, "/tmp");
+#endif
+}
+
 static pointer
 do_mkdtemp (scheme *sc, pointer args)
 {
@@ -1352,6 +1370,7 @@ ffi_init (scheme *sc, const char *argv0, const char *scriptname,
   ffi_define_function (sc, fdopen);
   ffi_define_function (sc, close);
   ffi_define_function (sc, seek);
+  ffi_define_function (sc, get_temp_path);
   ffi_define_function_name (sc, "_mkdtemp", mkdtemp);
   ffi_define_function (sc, unlink);
   ffi_define_function (sc, unlink_recursively);
diff --git a/tests/gpgscm/tests.scm b/tests/gpgscm/tests.scm
index 329a31a58..a4339caf2 100644
--- a/tests/gpgscm/tests.scm
+++ b/tests/gpgscm/tests.scm
@@ -272,7 +272,7 @@
 (define (mkdtemp . components)
   (canonical-path (_mkdtemp (if (null? components)
 				(path-join
-				 (if *win32* (getenv "Temp") "/tmp")
+				 (get-temp-path)
 				 (string-append "gpgscm-" (get-isotime) "-"
 						(basename-suffix *scriptname* ".scm")
 						"-XXXXXX"))