diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 61a4d63..8c03390 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -238,7 +238,6 @@ shadow-integration:
     # Run a minimal snowflake shadow experiment
     - pushd shadow-snowflake-minimal/
     - shadow --log-level=debug --model-unblocked-syscall-latency=true snowflake-minimal.yaml > shadow.log
-    - tar -czvf $CI_PROJECT_DIR/shadow.data.tar.gz shadow.data/
 
     # Check to make sure streams succeeded
     - |
@@ -249,6 +248,8 @@ shadow-integration:
         echo "Shadow simulation failed"
         exit 1
       fi
+  after_script:
+    - tar -czvf $CI_PROJECT_DIR/shadow.data.tar.gz shadow-snowflake-minimal/shadow.data/ shadow-snowflake-minimal/shadow.log
 
 generate_tarball:
   stage: deploy