diff --git a/cmd/flag_values.go b/cmd/flag_values.go
index 4196ddd..8f7b7fa 100644
--- a/cmd/flag_values.go
+++ b/cmd/flag_values.go
@@ -11,7 +11,7 @@ import (
 var rawValues map[string]string
 
 func init() {
-	Command.Flags().StringToStringVarP(&rawValues, "value", "v", map[string]string{}, "Define a template variable. Can be used more than once.")
+	Command.Flags().StringToStringVarP(&rawValues, "value", "v", rawValues, "Define a template variable. Can be used more than once.")
 	err := Command.RegisterFlagCompletionFunc("value", valueCompletion)
 	if err != nil {
 		panic(err)