diff --git a/pkg/analyzer/lib/src/dart/analysis/kernel_context.dart b/pkg/analyzer/lib/src/dart/analysis/kernel_context.dart
index 6c8597f3091..cba8b50171e 100644
--- a/pkg/analyzer/lib/src/dart/analysis/kernel_context.dart
+++ b/pkg/analyzer/lib/src/dart/analysis/kernel_context.dart
@@ -148,8 +148,10 @@ class KernelContext {
       }
 
       if (DEBUG) {
+        print('----------- ${targetLibrary.uriStr}');
         var libraryKernel = libraryMap[targetLibrary.uriStr];
         print(_getLibraryText(libraryKernel));
+        print('--------------------------------------');
       }
 
       // Create and configure a new context.
diff --git a/pkg/analyzer_cli/lib/src/driver.dart b/pkg/analyzer_cli/lib/src/driver.dart
index 54ee5acc5a9..78225e29952 100644
--- a/pkg/analyzer_cli/lib/src/driver.dart
+++ b/pkg/analyzer_cli/lib/src/driver.dart
@@ -650,7 +650,8 @@ class Driver implements CommandLineStarter {
           new FileContentOverlay(),
           null,
           context.sourceFactory,
-          context.analysisOptions);
+          context.analysisOptions,
+          enableKernelDriver: options.previewDart2);
       analysisDriver.results.listen((_) {});
       analysisDriver.exceptions.listen((_) {});
       scheduler.start();