diff --git a/polkadot/.gitlab-ci.yml b/polkadot/.gitlab-ci.yml
index 6bad88d22a..5e7cd41169 100644
--- a/polkadot/.gitlab-ci.yml
+++ b/polkadot/.gitlab-ci.yml
@@ -109,7 +109,7 @@ build-linux-release:               &build
     - |
       test "${CI_COMMIT_REF_NAME}" = "kusama-nightly-staging" && (
         echo "kusama-nightly-staging: change Cargo.toml to build against substrate:kusama-nightly-staging";
-        find . -name Cargo.toml -exec sed -i -r -e ':github.com/paritytech/substrate": { s:branch = "polkadot-(master|testing)":branch = "kusama-nightly-staging":; s:github.com/paritytech/substrate:gitlab.parity.io/parity/substrate.git:}' '{}' \;
+        find . -name Cargo.toml -exec sed -i -r -e ':github.com/paritytech/substrate": { s:branch = "polkadot-(master|testing)":branch = "kusama-nightly-staging":; s:github.com/paritytech/substrate:gitlab.parity.io/parity/substrate.git:}' '{}' \; )
     - time cargo build --release --verbose
     - mkdir -p ./artifacts
     - mv ./target/release/polkadot ./artifacts/.