diff --git a/packages/angular/cli/models/architect-command.ts b/packages/angular/cli/models/architect-command.ts
index 729afd19966f..736531361b6a 100644
--- a/packages/angular/cli/models/architect-command.ts
+++ b/packages/angular/cli/models/architect-command.ts
@@ -146,7 +146,7 @@ export abstract class ArchitectCommand<
 
     if (overrides['--']) {
       (overrides['--'] || []).forEach(additional => {
-        this.logger.warn(`Unknown option: '${additional.split(/=/)[0]}'`);
+        this.logger.fatal(`Unknown option: '${additional.split(/=/)[0]}'`);
       });
 
       return 1;
diff --git a/packages/ngtools/webpack/src/angular_compiler_plugin.ts b/packages/ngtools/webpack/src/angular_compiler_plugin.ts
index 581fc5ba6fcd..ba47634abbc5 100644
--- a/packages/ngtools/webpack/src/angular_compiler_plugin.ts
+++ b/packages/ngtools/webpack/src/angular_compiler_plugin.ts
@@ -537,7 +537,7 @@ export class AngularCompilerPlugin {
       switch (message.kind) {
         case MESSAGE_KIND.Log:
           const logMessage = message as LogMessage;
-          this._logger.log(logMessage.level, logMessage.message);
+          this._logger.log(logMessage.level, `\n${logMessage.message}`);
           break;
         default:
           throw new Error(`TypeChecker: Unexpected message received: ${message}.`);