diff --git a/tests/letstest/scripts/test_sdists.sh b/tests/letstest/scripts/test_sdists.sh
index 05afb63dc..0ed145d69 100755
--- a/tests/letstest/scripts/test_sdists.sh
+++ b/tests/letstest/scripts/test_sdists.sh
@@ -1,4 +1,5 @@
 #!/bin/sh -xe
+env
 
 cd letsencrypt