1 files changed, 1 insertions, 0 deletions

diff --git a/src/WixToolset.BuildTasks/DoIt.cs b/src/WixToolset.BuildTasks/DoIt.cs
index ac0f895c..7089ff12 100644
--- a/src/WixToolset.BuildTasks/DoIt.cs
+++ b/src/WixToolset.BuildTasks/DoIt.cs
@@ -159,6 +159,7 @@ namespace WixToolset.BuildTasks
 
             commandLineBuilder.AppendTextUnquoted("build");
 
+            commandLineBuilder.AppendSwitchIfNotNull("-platform ", this.InstallerPlatform);
             commandLineBuilder.AppendSwitchIfNotNull("-out ", this.OutputFile);
             commandLineBuilder.AppendSwitchIfNotNull("-outputType ", this.OutputType);
             commandLineBuilder.AppendIfTrue("-nologo", this.NoLogo);