diff --git a/tests/letstest/travis.sh b/tests/letstest/travis.sh
new file mode 100644
index 000000000..747985295
--- /dev/null
+++ b/tests/letstest/travis.sh
@@ -0,0 +1,13 @@
+#!/bin/bash -eux
+#
+# Runs test farm tests in Travis.
+cd $(dirname "$0")
+
+openssl aes-256-cbc -K $encrypted_9a387195a62e_key -iv $encrypted_9a387195a62e_iv -in travis-test-farm.pem.enc -out travis-test-farm.pem -d
+
+python multitester.py apache2_targets.yaml ./travis-test-farm.pem none scripts/test_apache2.sh
+for script in test_leauto_upgrades.sh test_letsencrypt_auto_certonly_standalone.sh test_sdists.sh; do
+    # Sleep after each test to give AWS time to terminate instances.
+    sleep 30s
+    python multitester.py targets.yaml ./travis-test-farm.pem none "scripts/$script"
+done
diff --git a/tox.ini b/tox.ini
index b891c954d..fd421cf8e 100644
--- a/tox.ini
+++ b/tox.ini
@@ -276,21 +276,9 @@ passenv = DOCKER_*
 setenv = {[testenv:py27-oldest]setenv}
 
 [testenv:travis-test-farm-tests]
-changedir = tests/letstest
-commands =
-    openssl aes-256-cbc -K $encrypted_9a387195a62e_key -iv $encrypted_9a387195a62e_iv -in travis-test-farm.pem.enc -out travis-test-farm.pem -d
-    python multitester.py apache2_targets.yaml ./travis-test-farm.pem none scripts/test_apache2.sh
-    sleep 30s
-    python multitester.py targets.yaml ./travis-test-farm.pem none scripts/test_leauto_upgrades.sh
-    sleep 30s
-    python multitester.py targets.yaml ./travis-test-farm.pem none scripts/test_letsencrypt_auto_certonly_standalone.sh
-    sleep 30s
-    python multitester.py targets.yaml ./travis-test-farm.pem none scripts/test_sdists.sh
+commands = tests/letstest/travis.sh
 deps = -r tests/letstest/requirements.txt
 passenv =
     AWS_*
     encrypted_*
 setenv = AWS_DEFAULT_REGION=us-east-1
-whitelist_externals =
-    openssl
-    sleep