diff --git a/.circleci/config.yml b/.circleci/config.yml
index 523d14ec..f630c208 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -17,8 +17,8 @@ jobs:
       - run: yarn deploy
       - run: ls -l build/* build.zip
       - run: sha256sum build.zip | tee SHA256SUMS.txt
-      - run: find build -type f -exec ls {} \; | sort | xargs sha256sum | tee -a SHA256SUMS.txt
-      - run: find build -type f -exec ls {} \; | sort | xargs cat | sha256sum | tee -a SHA256SUMS.txt
+      - run: find build -type f -exec ls {} \; | sort -f | xargs sha256sum | tee -a SHA256SUMS.txt
+      - run: find build -type f -exec ls {} \; | sort -f | xargs cat | sha256sum | tee -a SHA256SUMS.txt
       - run: mkdir dist && mv build.zip SHA256SUMS.txt dist
       - store_artifacts:
           path: dist
diff --git a/.travis.yml b/.travis.yml
index 4c8dcb52..d7df948f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,8 +10,8 @@ script:
   - yarn deploy
   - ls -l build/* build.zip
   - sha256sum build.zip | tee SHA256SUMS.txt
-  - find build -type f -exec ls {} \; | sort | xargs sha256sum | tee -a SHA256SUMS.txt
-  - find build -type f -exec ls {} \; | sort | xargs cat | sha256sum | tee -a SHA256SUMS.txt
+  - find build -type f -exec ls {} \; | sort -f | xargs sha256sum | tee -a SHA256SUMS.txt
+  - find build -type f -exec ls {} \; | sort -f | xargs cat | sha256sum | tee -a SHA256SUMS.txt
 deploy:
   provider: releases
   api_key: $GITHUB_OAUTH_TOKEN