diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 2b59c938ab702164c3dd8b5614d237d78779144d..7dceee06288936b42e152709dcb0adfe57686e04 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -2,10 +2,10 @@ windows job:
   tags:
     - win
   script:
-    - "C:/Program Files (x86)/Microsoft Visual Studio/2017/Community/VC/Auxiliary/Build/vcvars64.bat"
+    - "'C:/Program Files (x86)/Microsoft Visual Studio/2017/Community/VC/Auxiliary/Build/vcvars64.bat'"
     - mkdir build
     - cd build
-    - cmake -DCMAKE_GENERATOR_PLATFORM=x64 -DOpenCV_DIR="D:/opencv-4.0.1/build/install" -DCUDA_TOOLKIT_ROOT_DIR="C:/Program Files/NVIDIA GPU Computing Toolkit/CUDA/v10.1" ..
+    - "cmake -DCMAKE_GENERATOR_PLATFORM=x64 -DOpenCV_DIR='D:/opencv-4.0.1/build/install' -DCUDA_TOOLKIT_ROOT_DIR='C:/Program Files/NVIDIA GPU Computing Toolkit/CUDA/v10.1' .."
     - devenv ftl.utu.fi.sln /build Release
   
 linux job: