diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index cae375f5e..53cccf784 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -264,7 +264,7 @@ windows:
     - set INCLUDE=C:\Program Files (x86)\Microsoft SDKs\Windows\v7.1A\Include;C:\vs2015\VC\include;C:\Program Files (x86)\Windows Kits\10\Include\10.0.10240.0\ucrt
     - set LIB=C:\vs2015\VC\lib;C:\Program Files (x86)\Windows Kits\10\Lib\10.0.10240.0\ucrt\x64
     - set RUST_BACKTRACE=1
-    - set RUSTFLAGS=%RUSTFLAGS% -Zorbit=off
+    - set RUSTFLAGS=%RUSTFLAGS% -Zorbit=off -D warnings
     - rustup default stable-x86_64-pc-windows-msvc
     - cargo build --release --verbose
     - curl -sL --url "https://github.com/ethcore/win-build/raw/master/SimpleFC.dll" -o nsis\SimpleFC.dll
@@ -276,21 +276,21 @@ windows:
     - md5sums installer.exe > installer.exe.md5
     - zip win-installer.zip installer.exe installer.exe.md5
     - md5sums win-installer.zip > win-installer.zip.md5
-    - cd ..
-    - cd target\release\
+    - cd ..\target\release\
     - md5sums parity.exe parity.pdb > parity.md5
     - md5sums parity.exe > parity.exe.md5
     - zip parity.zip parity.exe parity.pdb parity.md5
+    - cd ..\..
     - aws configure set aws_access_key_id %s3_key%
     - aws configure set aws_secret_access_key %s3_secret%
-    - aws s3api put-object --bucket builds-parity --key %CI_BUILD_REF_NAME%/x86_64-pc-windows-msvc/parity --body target\release\parity.exe
-    - aws s3api put-object --bucket builds-parity --key %CI_BUILD_REF_NAME%/x86_64-pc-windows-msvc/parity --body target\release\parity.exe.md5
-    - aws s3api put-object --bucket builds-parity --key %CI_BUILD_REF_NAME%/x86_64-pc-windows-msvc/checksum --body target\release\parity.zip
-    - aws s3api put-object --bucket builds-parity --key %CI_BUILD_REF_NAME%/x86_64-pc-windows-msvc/checksum --body target\release\parity.zip.md5
+    - aws s3api put-object --bucket builds-parity --key %CI_BUILD_REF_NAME%/x86_64-pc-windows-msvc/parity.exe --body target\release\parity.exe
+    - aws s3api put-object --bucket builds-parity --key %CI_BUILD_REF_NAME%/x86_64-pc-windows-msvc/parity.exe.md5 --body target\release\parity.exe.md5
+    - aws s3api put-object --bucket builds-parity --key %CI_BUILD_REF_NAME%/x86_64-pc-windows-msvc/parity.zip --body target\release\parity.zip
+    - aws s3api put-object --bucket builds-parity --key %CI_BUILD_REF_NAME%/x86_64-pc-windows-msvc/parity.zip.md5 --body target\release\parity.zip.md5
     - aws s3api put-object --bucket builds-parity --key %CI_BUILD_REF_NAME%/x86_64-pc-windows-msvc/installer.exe --body nsis\installer.exe
-    - aws s3api put-object --bucket builds-parity --key %CI_BUILD_REF_NAME%/x86_64-pc-windows-msvc/installer.exe --body nsis\installer.exe.md5
-    - aws s3api put-object --bucket builds-parity --key %CI_BUILD_REF_NAME%/x86_64-pc-windows-msvc/installer.exe --body nsis\win-installer.zip
-    - aws s3api put-object --bucket builds-parity --key %CI_BUILD_REF_NAME%/x86_64-pc-windows-msvc/installer.exe --body nsis\win-installer.zip.md5
+    - aws s3api put-object --bucket builds-parity --key %CI_BUILD_REF_NAME%/x86_64-pc-windows-msvc/installer.exe.md5 --body nsis\installer.exe.md5
+    - aws s3api put-object --bucket builds-parity --key %CI_BUILD_REF_NAME%/x86_64-pc-windows-msvc/win-installer.zip --body nsis\win-installer.zip
+    - aws s3api put-object --bucket builds-parity --key %CI_BUILD_REF_NAME%/x86_64-pc-windows-msvc/win-installer.zip.md5 --body nsis\win-installer.zip.md5
   tags:
    - rust-windows
   artifacts: