diff --git a/src/functions/base.rs b/src/functions/base.rs
index 04eafb3..be68a13 100755
--- a/src/functions/base.rs
+++ b/src/functions/base.rs
@@ -2,6 +2,7 @@ use crate::internal::exec::*;
 use crate::internal::*;
 
 pub fn install_base_packages() {
+    files::copy_file("/etc/pacman.conf", "/mnt/etc/pacman.conf");
     install::install(vec![
         "base",
         "linux",
@@ -25,11 +26,13 @@ pub fn install_base_packages() {
 
 pub fn genfstab() {
     exec_eval(
-        exec_chroot(
-            "bash",
+        exec(
+            "genfstab",
             vec![
-                String::from("-c"),
-                String::from("'genfstab -U /mnt >> /mnt/etc/fstab'"),
+                String::from("-U"),
+                String::from("/mnt"),
+                String::from(">>"),
+                String::from("/mnt/etc/fstab"),
             ],
         ),
         "Generate fstab",
diff --git a/src/internal/files.rs b/src/internal/files.rs
index fc0bd17..5eacf28 100755
--- a/src/internal/files.rs
+++ b/src/internal/files.rs
@@ -14,6 +14,24 @@ pub fn create_file(path: &str) {
     }
 }
 
+pub fn copy_file(path: &str, destpath: &str) {
+    let return_code = std::fs::copy(path, destpath);
+    match return_code {
+        Ok(_) => {
+            log(format!(
+                "[ \x1b[2;1;32mOK\x1b[0m ] Copy {} to {}",
+                path, destpath
+            ));
+        }
+        Err(e) => {
+            crash(
+                format!("Copy {} to {}: Failed with error {}", path, destpath, e),
+                1,
+            );
+        }
+    }
+}
+
 pub fn append_file(path: &str, content: &str) -> std::io::Result<()> {
     log(format!(
         "[ \x1b[2;1;32mOK\x1b[0m ] Append '{}' to file {}",
diff --git a/src/internal/install.rs b/src/internal/install.rs
index 877995e..d538ef8 100755
--- a/src/internal/install.rs
+++ b/src/internal/install.rs
@@ -3,8 +3,10 @@ use std::process::Command;
 
 pub fn install(pkgs: Vec<&str>) {
     exec_eval(
-        Command::new("crystalstrap")
+        Command::new("pacstrap")
             .arg("/mnt")
+            .arg("-C")
+            .arg("/etc/pacman.conf")
             .args(&pkgs)
             .status(),
         format!("Install packages {}", pkgs.join(", ")).as_str(),