diff --git a/.circleci/config.yml b/.circleci/config.yml
index f75d809e5..e8710cc08 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -34,6 +34,12 @@ jobs:
       - run:
           name: 'Check if changed'
           command: git diff --cached --exit-code
+      - run:
+          name: 'Normalize test output'
+          command: ci/normalize_expected.sh
+      - run:
+          name: 'Check if changed'
+          command: git diff --cached --exit-code
   check-sql-snapshots:
     docker:
       - image: 'citus/extbuilder:latest'
diff --git a/ci/normalize_expected.sh b/ci/normalize_expected.sh
new file mode 100755
index 000000000..431ff83a6
--- /dev/null
+++ b/ci/normalize_expected.sh
@@ -0,0 +1,7 @@
+#!/bin/sh
+
+set -eu
+for f in $(git ls-tree -r HEAD --name-only src/test/regress/expected/*.out); do
+	sed -Ef src/test/regress/bin/normalize.sed < "$f" > "$f.modified"
+	mv "$f.modified" "$f"
+done