diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index baf875fd0fb79..d08397acc2a1c 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -289,7 +289,7 @@ build-linux-subkey:
   script:
     - cd ./subkey
     - BUILD_DUMMY_WASM_BINARY=1 time cargo build --release --verbose
-    - cd ..
+    - cd -
     - sccache -s
     - mkdir -p ./artifacts/subkey
     - mv ./target/release/subkey ./artifacts/subkey/.
@@ -345,13 +345,14 @@ check_polkadot:
   dependencies:
     - test-linux-stable
   script:
-    - git clone --depth 1 https://github.com/paritytech/polkadot.git
     - COMMIT_HASH=$(git rev-parse HEAD)
+    - SUBSTRATE_PATH=$(pwd)
+    - git clone --depth 1 https://gitlab.parity.io/parity/polkadot.git
     - cd polkadot
-    - git grep -l "polkadot-master" | grep toml | xargs sed -i "s/branch.*=.*\"polkadot-master\"/rev = \"$COMMIT_HASH\"/"
-    - cargo update -p sr-io --precise $COMMIT_HASH
+    - git grep -l "polkadot-master" | grep toml | xargs sed -i "s/branch.*=.*\"polkadot-master\"/rev = \"$COMMIT_HASH\"/; s~https://github.com/paritytech/substrate~file://$SUBSTRATE_PATH~"
+    - cargo update -p sr-io
     - time cargo check
-    - cd ..
+    - cd -
     - sccache -s
 
 #### stage:                        publish