diff --git a/cli/tools/installer.rs b/cli/tools/installer.rs
index 4f8801f093..6432404743 100644
--- a/cli/tools/installer.rs
+++ b/cli/tools/installer.rs
@@ -48,7 +48,7 @@ fn validate_name(exec_name: &str) -> Result<(), AnyError> {
 /// A second compatible with git bash / MINGW64
 /// Generate batch script to satisfy that.
 fn generate_executable_file(
-  file_path: PathBuf,
+  mut file_path: PathBuf,
   args: Vec<String>,
 ) -> Result<(), AnyError> {
   let args: Vec<String> = args.iter().map(|c| format!("\"{}\"", c)).collect();
@@ -61,8 +61,7 @@ fn generate_executable_file(
 
   // write file for bash
   // create filepath without extensions
-  let mut copy_path = file_path.clone();
-  copy_path.set_extension("");
+  file_path.set_extension("");
   let template = format!(
     r#"#!/bin/sh
 # generated by deno install
@@ -70,7 +69,7 @@ deno {} "$@"
 "#,
     args.join(" "),
   );
-  let mut file = File::create(&copy_path)?;
+  let mut file = File::create(&file_path)?;
   file.write_all(template.as_bytes())?;
   Ok(())
 }