diff --git a/src/main.rs b/src/main.rs
index ba66bd6..b69d011 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -31,8 +31,7 @@ Written by Hatter Jiang
 
 
 fn main() {
-    let mut options = Options::new();
-    options.parse_args();
+    let options = Options::parse_args_static();
     
     if options.verbose {
         print_message(MessageType::DEBUG, &format!("{} version: {}, git hash: {}", NAME, VERSION, GIT_HASH));
diff --git a/src/opt.rs b/src/opt.rs
index 57e9e6b..f018727 100644
--- a/src/opt.rs
+++ b/src/opt.rs
@@ -20,6 +20,12 @@ impl Options {
         }
     }
 
+    pub fn parse_args_static() -> Options {
+        let mut opt = Options::new();
+        opt.parse_args();
+        opt
+    }
+
     pub fn parse_args(&mut self) {
         let mut ap = ArgumentParser::new();
         ap.set_description("prettyjson - command line JSON pretty tool.");