diff --git a/crates/nit/src/system/syscall.rs b/crates/nit/src/system/syscall.rs
index 469b061..3a5789f 100644
--- a/crates/nit/src/system/syscall.rs
+++ b/crates/nit/src/system/syscall.rs
@@ -198,7 +198,8 @@ pub fn execv(command: impl AsRef<Path>, args: &[&str]) -> Result<()> {
 
     let command_cstr = CString::new(command.as_os_str().as_encoded_bytes())
         .context(format_args!("bad command: {}", command.display()))?;
-    let mut args_cstr = vec![];
+    // NOTE: command should be the first string, according to execve() documentation.
+    let mut args_cstr = vec![command_cstr.clone()];
     for arg in args {
         let cur_arg_cstr = CString::new(arg.as_bytes()).context(format_args!("bad arg: {arg}"))?;
         args_cstr.push(cur_arg_cstr);
@@ -212,8 +213,6 @@ pub fn execv(command: impl AsRef<Path>, args: &[&str]) -> Result<()> {
         .chain(std::iter::once(std::ptr::null()))
         .collect();
 
-    dbg!(&command_cstr, &args_ptrs);
-
     if unsafe { libc::execv(command_cstr.as_ptr().cast(), args_ptrs.as_ptr().cast()) } == -1 {
         return ctx_os_error(format_args!(
             "error calling exec({command}, {args:?})",