diff --git a/src/shims.rs b/src/shims.rs
index 4b102d2..3c54484 100644
--- a/src/shims.rs
+++ b/src/shims.rs
@@ -12,13 +12,17 @@ use crate::metadata;
 fn create_shim(binary: &str, bin_path: path::PathBuf) -> Result<()> {
     use std::os::unix::prelude::OpenOptionsExt;
 
-    let shell = env::var("SHELL")
+    let mut shell = env::var("SHELL")
         .unwrap_or("bash".to_string())
         .split('/')
         .last()
         .unwrap()
         .to_string();
 
+    if !vec!["bash", "zsh", "sh"].contains(&&*shell) {
+        shell = "sh".to_string();
+    }
+
     let script = format!(
         r#"#!/usr/bin/env {shell}