diff --git a/src/main.rs b/src/main.rs
index 1232803..4cd3f65 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -76,6 +76,7 @@ impl Display for BranchType {
 #[command(author, version, about, long_about = None)]
 struct Arguments {
     /// An optional path write generated output to
+    #[arg(env = "FILE_PATH")]
     path: Option<String>,
 
     /// The number of characters to generate (not bytes)