diff --git a/application/source/command.go b/application/source/command.go
index 405a53fd05552e385aa555de7e2cd1627ab7bc93..829d1e33187cc4583d8a34bce8a3ddf745056c7e 100644
--- a/application/source/command.go
+++ b/application/source/command.go
@@ -18,8 +18,9 @@ type Definition struct {
 	Verbose  bool `short:"v" long:"verbose" description:"Show verbose debug information"`
 	Template struct {
 		Prepare struct {
-			Input  string `short:"i" long:"input" description:"Directory with html files to prepare" required:"true"`
-			Output string `short:"o" long:"output" description:"Directory to save prepared html files" required:"true"`
+			Input    string `short:"i" long:"input" description:"Directory with html files to prepare" required:"true"`
+			Output   string `short:"o" long:"output" description:"Directory to save prepared html files" required:"true"`
+			DataFile string `short:"d" long:"data-file" description:"Name of the data file to use, default is data.yaml"`
 		} `command:"prepare" description:"Prepare content from a file" call:"PrepareTemplate"`
 	} `command:"template" description:"Template commands"`
 	HTML struct {
@@ -107,7 +108,12 @@ func (d *Definition) PrepareTemplate(s *xflags.Settings[Definition]) {
 	if err != nil {
 		s.AddError(err)
 	} else {
-		o := path.Join(d.Template.Prepare.Output, "data.yaml")
+
+		if d.Template.Prepare.DataFile == "" {
+			d.Template.Prepare.DataFile = "data.yaml"
+		}
+
+		o := path.Join(d.Template.Prepare.Output, d.Template.Prepare.DataFile)
 		os.WriteFile(o, data, os.ModePerm)
 	}
 
diff --git a/application/source/main.go b/application/source/main.go
index 48433a389bae8c8517ab41c265337cd4f74de90a..06be5ebd02a1e2664760235eb916ffee6e75af35 100644
--- a/application/source/main.go
+++ b/application/source/main.go
@@ -10,7 +10,10 @@ func main() {
 
 	var settings *xflags.Settings[Definition]
 
-	settings = xflags.New(os.Args[0], Definition{})
+	definition := Definition{}
+	definition.Template.Prepare.DataFile = "data.yaml"
+
+	settings = xflags.New(os.Args[0], definition)
 	settings.Parse(os.Args[1:])
 	settings.Execute()