diff --git a/make_tests.bat b/make_tests.bat
index f02206fd61..d48c3c2b4d 100644
--- a/make_tests.bat
+++ b/make_tests.bat
@@ -1,5 +1,16 @@
+@echo off
 curl -O https://raw.githubusercontent.com/vlang/vc/master/v.c
 gcc -std=gnu11 -DUNICODE -D_UNICODE -w -o vc.exe v.c
 del v.c
 vc.exe -o v.exe compiler
-for /r . %%x in (*_test.v) do @v -o test.exe -debug %%x
+setlocal EnableDelayedExpansion
+for /r . %%x in (*_test.v) do (
+  v -o test.exe -debug %%x
+  if !ERRORLEVEL! NEQ 0 goto :fail
+)
+goto :done
+
+:fail
+exit /b 1
+
+:done
diff --git a/vlib/http/http_win.v b/vlib/http/http_win.v
index 6bad8742c3..7a87898fa2 100644
--- a/vlib/http/http_win.v
+++ b/vlib/http/http_win.v
@@ -162,7 +162,7 @@ pub fn escape_url(s string) string {
 pub fn unescape_url(s string) string {
 	mut buf := &u16(malloc(INTERNET_MAX_URL_LENGTH * 2))
 	mut nr_chars := INTERNET_MAX_URL_LENGTH
-	res := C.UrlUnescape(s.to_wide(), &buf, &nr_chars, URL_ESCAPE_AS_UTF8 | URL_ESCAPE_ASCII_URI_COMPONENT)
+	res := C.UrlUnescape(s.to_wide(), buf, &nr_chars, URL_ESCAPE_AS_UTF8 | URL_ESCAPE_ASCII_URI_COMPONENT)
 	return string_from_wide2(buf, nr_chars)
 }