diff --git a/builder/hyperv/iso/builder.go b/builder/hyperv/iso/builder.go
index 7151ca38b..2cd786a42 100644
--- a/builder/hyperv/iso/builder.go
+++ b/builder/hyperv/iso/builder.go
@@ -325,7 +325,6 @@ func (b *Builder) Run(ui packer.Ui, hook packer.Hook, cache packer.Cache) (packe
 		&common.StepCreateFloppy{
 			Files:       b.config.FloppyConfig.FloppyFiles,
 			Directories: b.config.FloppyConfig.FloppyDirectories,
-			Directories: b.config.FloppyConfig.FloppyDirectories,
 		},
 		&common.StepHTTPServer{
 			HTTPDir:     b.config.HTTPDir,