diff --git a/win_build.bat b/win_build.bat
index 40ac69c..9d5d3e6 100644
--- a/win_build.bat
+++ b/win_build.bat
@@ -1,9 +1,7 @@
 @echo on
 
-cd php-sdk
-
-phpsdk_buildtree php-8.1
+call phpsdk_buildtree php-7.4
 
 git clone https://github.com/php/php-src.git && cd php-src
 
-phpsdk_deps --update --branch 8.1
\ No newline at end of file
+phpsdk_deps --update --branch php-7.4
\ No newline at end of file