diff --git a/Dockerfiles/build-mysql/windows/Dockerfile.agent2 b/Dockerfiles/build-mysql/windows/Dockerfile.agent2
index 52a2487d2..145bb770e 100644
--- a/Dockerfiles/build-mysql/windows/Dockerfile.agent2
+++ b/Dockerfiles/build-mysql/windows/Dockerfile.agent2
@@ -12,7 +12,8 @@ ARG MAJOR_VERSION=7.0
 ARG ZBX_VERSION=${MAJOR_VERSION}
 ARG ZABBIX_VERSION_RC_NUM=2400
 ARG ZBX_SOURCES=https://git.zabbix.com/scm/zbx/zabbix.git
-GIT_BRANCH=master
+ARG GIT_BRANCH=master
+
 ENV ZBX_SOURCES=$ZBX_SOURCES MAJOR_VERSION=$MAJOR_VERSION ZBX_VERSION=$ZBX_VERSION `
     MONGODB_PLUGIN_SOURCES=https://git.zabbix.com/scm/ap/mongodb.git MONGODB_PLUGIN_VERSION=master `
     POSTGRESQL_PLUGIN_SOURCES=https://git.zabbix.com/scm/ap/postgresql.git POSTGRESQL_PLUGIN_VERSION=master