diff --git a/.travis.yml b/.travis.yml
index 6d3d431..dee71f7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -62,8 +62,7 @@ matrix:
             - qemu-user-static
     - env: TARGET=powerpc64le-unknown-linux-gnu
       os: linux
-      services:
-        - docker
+      services: docker
       sudo: required
     - env: TARGET=x86_64-apple-darwin
       os: osx
diff --git a/ci/env.sh b/ci/env.sh
index ed4e1b0..7458372 100644
--- a/ci/env.sh
+++ b/ci/env.sh
@@ -29,7 +29,9 @@ case $TARGET in
         export QEMU_LD_PREFIX=/usr/powerpc-linux-gnu
         ;;
     powerpc64le-unknown-linux-gnu)
-        export DOCKER=y
+        if [[ -z $DOCKER ]]; then
+            export DOCKER=y
+        fi
         export PREFIX=powerpc64le-linux-gnu-
         export QEMU=qemu-ppc64le
         export QEMU_LD_PREFIX=/usr/powerpc64le-linux-gnu
diff --git a/ci/script.sh b/ci/script.sh
index 1013208..1e23656 100644
--- a/ci/script.sh
+++ b/ci/script.sh
@@ -32,8 +32,9 @@ inspect() {
 }
 
 main() {
-    if [[ $DOCKER ]]; then
+    if [[ $DOCKER == "y" ]]; then
         docker run \
+               -e DOCKER=n \
                -e TARGET=$TARGET \
                -e TRAVIS_OS_NAME=$TRAVIS_OS_NAME \
                -v $(pwd):/mnt \
@@ -44,7 +45,6 @@ main() {
         run_tests
         inspect
     fi
-
 }
 
 main