diff --git a/.gitlab/ci/build.gitlab-ci.yml b/.gitlab/ci/build.gitlab-ci.yml
index 0f33f5c8cfd44ff917b522ce809171b165c969be..6bfae0be1e31a89d27413677fa4cdc4612561333 100644
--- a/.gitlab/ci/build.gitlab-ci.yml
+++ b/.gitlab/ci/build.gitlab-ci.yml
@@ -148,7 +148,7 @@ build:windows_python:
     - venv\Scripts\Activate.ps1
     # Numpy dependancy for unit test
     - python -m pip install numpy
-    - export AIDGE_INSTALL=`pwd`/install
+    - $env:AIDGE_INSTALL = "$pwd" + "install"
     - python -m pip install .
   artifacts:
     expire_in: 1 week