diff --git a/.azure-pipelines/steps/run-tests-linux.yml b/.azure-pipelines/steps/run-tests-linux.yml
index 02ea8cf8..5bea77ca 100644
--- a/.azure-pipelines/steps/run-tests-linux.yml
+++ b/.azure-pipelines/steps/run-tests-linux.yml
@@ -1,3 +1,4 @@
+steps:
 - script: |
     # Fix Git SSL errors
     git submodule sync && git submodule update --init --recursive
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index bf9d4a86..28c23a9f 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -33,7 +33,11 @@ jobs:
     maxParallel: 4
   steps:
   - template: .azure-pipelines/steps/run-tests.yml
+    parameters:
+      vmImage: 'Ubuntu-16.04'
   - template: .azure-pipelines/jobs/run-vendor-scripts.yml
+    parameters:
+      vmImage: 'Ubuntu-16.04'
 
 - job: TestWindows
   pool:
@@ -52,6 +56,8 @@ jobs:
     maxParallel: 4
   steps:
   - template: .azure-pipelines/steps/run-tests.yml
+    parameters:
+      vmImage: windows-2019
 
 - job: TestMacOS
   pool:
@@ -67,3 +73,5 @@ jobs:
     maxParallel: 4
   steps:
   - template: .azure-pipelines/steps/run-tests.yml
+    parameters:
+      vmImage: macOS-10.13