diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index f9a83864a7..652f9967f6 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -111,7 +111,7 @@ jobs:
 
   - job: Release
     pool:
-      vmImage: "Ubuntu-16.04"
+      vmImage: "Ubuntu-latest"
     dependsOn:
       - macOS
       - Linux
diff --git a/src/OmniSharp.MSBuild/ProjectManager.cs b/src/OmniSharp.MSBuild/ProjectManager.cs
index 6dd5497518..621b494e9a 100644
--- a/src/OmniSharp.MSBuild/ProjectManager.cs
+++ b/src/OmniSharp.MSBuild/ProjectManager.cs
@@ -329,7 +329,7 @@ private void ProcessQueue(CancellationToken cancellationToken)
             }
             catch (Exception ex)
             {
-                _logger.LogError(ex, "Failed to load project file '{projectFilePath}'.");
+                _logger.LogError(ex, $"Failed to load project file '{projectFilePath}'.");
                 _eventEmitter.Error(ex, fileName: projectFilePath);
                 return (null, null);
             }