diff --git a/builder/virtualbox/step_export.go b/builder/virtualbox/step_export.go
index b6ee82e00..3464b6618 100644
--- a/builder/virtualbox/step_export.go
+++ b/builder/virtualbox/step_export.go
@@ -50,7 +50,7 @@ func (s *stepExport) Run(state map[string]interface{}) multistep.StepAction {
 	}
 
 	// Export the VM to an OVF
-	outputPath := filepath.Join(config.OutputDir, "packer." + config.Format)
+	outputPath := filepath.Join(config.OutputDir, "packer."+config.Format)
 
 	command = []string{
 		"export",