diff --git a/TESTING.asciidoc b/TESTING.asciidoc
index 13ceef4bdd7..4329c88b59e 100644
--- a/TESTING.asciidoc
+++ b/TESTING.asciidoc
@@ -338,8 +338,8 @@ time to setup all the VMs one at a time. Run this to download and setup the VMs
 we use for testing by default:
 
 --------------------------------------------------------
-vagrant up --provision trusty && vagrant halt trusty
-vagrant up --provision centos-7 && vagrant halt centos-7
+vagrant up --provision trusty --provider virtualbox && vagrant halt trusty
+vagrant up --provision centos-7 --provider virtualbox && vagrant halt centos-7
 --------------------------------------------------------
 
 or run this to download and setup all the VMs:
@@ -347,7 +347,7 @@ or run this to download and setup all the VMs:
 -------------------------------------------------------------------------------
 vagrant halt
 for box in $(vagrant status | grep 'poweroff\|not created' | cut -f1 -d' '); do
-  vagrant up --provision $box
+  vagrant up --provision $box --provider virtualbox
   vagrant halt $box
 done
 -------------------------------------------------------------------------------
@@ -420,13 +420,13 @@ This is just regular vagrant so you can run normal multi box vagrant commands
 to test things manually. Just run:
 
 ---------------------------------------
-vagrant up trusty && vagrant ssh trusty
+vagrant up trusty --provider virtualbox && vagrant ssh trusty
 ---------------------------------------
 
 to get an Ubuntu or
 
 -------------------------------------------
-vagrant up centos-7 && vagrant ssh centos-7
+vagrant up centos-7 --provider virtualbox && vagrant ssh centos-7
 -------------------------------------------
 
 to get a CentOS. Once you are done with them you should halt them:
@@ -469,7 +469,7 @@ vagrant ssh precise -c 'sudo rm -rf /bin'; echo oops
 All you've got to do to get another one is
 
 ----------------------------------------------
-vagrant destroy -f trusty && vagrant up trusty
+vagrant destroy -f trusty && vagrant up trusty --provider virtualbox
 ----------------------------------------------
 
 The whole process takes a minute and a half on a modern laptop, two and a half
@@ -508,7 +508,7 @@ mvn -pl distribution/rpm package
 and in another window:
 
 ----------------------------------------------------
-vagrant up centos-7 && vagrant ssh centos-7
+vagrant up centos-7 --provider virtualbox && vagrant ssh centos-7
 cd $RPM
 sudo bats $BATS/*rpm*.bats
 ----------------------------------------------------
@@ -520,7 +520,7 @@ If you wanted to retest all the release artifacts on a single VM you could:
 mvn -amd -pl distribution install -DskipTests
 # Copy them all the testroot
 mvn -Dtests.vagrant -pl qa/vagrant pre-integration-test
-vagrant up trusty && vagrant ssh trusty
+vagrant up trusty --provider virtualbox && vagrant ssh trusty
 cd $TESTROOT
 sudo bats $BATS/*.bats
 -------------------------------------------------
diff --git a/qa/vagrant/src/dev/ant/vagrant-integration-tests.xml b/qa/vagrant/src/dev/ant/vagrant-integration-tests.xml
index efed4960b5e..67b208803b9 100644
--- a/qa/vagrant/src/dev/ant/vagrant-integration-tests.xml
+++ b/qa/vagrant/src/dev/ant/vagrant-integration-tests.xml
@@ -68,6 +68,13 @@
         That isn't to say that the updates will always be compatible. Its ok to
         just destroy the boxes if they get busted. -->
       <arg value="--provision"/>
+      <!-- We lock the provider to virtualbox because the Vagrantfile specifies
+        lots of boxes that only work properly in virtualbox. Virtualbox is
+        vagrant's default but its possible to change that default and folks do.
+        But the boxes that we use are unlikely to work properly with other
+        virtualization providers. Thus the lock. -->
+      <arg value="--provider"/>
+      <arg value="virtualbox"/>
     </exec>
   </target>