diff --git a/.travis.yml b/.travis.yml
index 417f1c15b..8f70ef665 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -58,12 +58,12 @@ before_script:
     (
       set -e
       if test osx = "${TRAVIS_OS_NAME}" && test -n "${TRAVIS_TAG}"; then
-        rm -rf macosx/build-report macosx/build-report.tgz
+        rm -rf macosx/build-report "macosx/${TRAVIS_TAG}-build-report.tbz"
         mkdir macosx/build-report
         cd macosx/build-report
         ../brew-deps.sh describe
         ../osx-xcode.sh describe
-        tar -czf ../build-report.tgz .
+        tar -cjf "../${TRAVIS_TAG}-build-report.tbz" .
       fi
     )
 
@@ -93,7 +93,7 @@ deploy:
   # Using a shell variable in deploy.file is undocumented but seems to work.
   file:
     - macosx/${TRAVIS_TAG}.pkg
-    - macosx/build-report.tgz
+    - macosx/${TRAVIS_TAG}-build-report.tbz
   on:
     repo: cgull/mosh
     tags: true