diff --git a/ubi/src/builder.rs b/ubi/src/builder.rs
index 71fdfe5..c03ec55 100644
--- a/ubi/src/builder.rs
+++ b/ubi/src/builder.rs
@@ -312,14 +312,11 @@ fn platform_is_musl(platform: &Platform) -> bool {
         return false;
     }
 
-    let Ok(ls) = which("ls") else {
-        return false;
-    };
     let Ok(ldd) = which("ldd") else {
         return false;
     };
 
-    let Ok(output) = std::process::Command::new(ldd).arg(ls).output() else {
+    let Ok(output) = std::process::Command::new(ldd).arg("--version").output() else {
         return false;
     };
     output.status.success() && String::from_utf8_lossy(&output.stdout).contains("musl")