diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 77d19a4..dd06b92 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -52,7 +52,7 @@ package_windows:
     - windows
     - windows-1809
   variables:
-    PYTHON: "C:\Python310\python.exe"
+    PYTHON: "C:\\Python310\\python.exe"
   before_script:
     - choco install python --version=$PYTHON_VERSION -y --no-progress
     - $PYTHON --version