diff --git a/PKGBUILD b/PKGBUILD
old mode 100644
new mode 100755
diff --git a/src/functions/base.rs b/src/functions/base.rs
index 29d735c..def7676 100755
--- a/src/functions/base.rs
+++ b/src/functions/base.rs
@@ -28,12 +28,10 @@ pub fn install_base_packages() {
 pub fn genfstab() {
     exec_eval(
         exec(
-            "genfstab",
+            "bash",
             vec![
-                String::from("-U"),
-                String::from("/mnt"),
-                String::from(">>"),
-                String::from("/mnt/etc/fstab"),
+                String::from("-c"),
+                String::from("genfstab -U /mnt >> /mnt/etc/fstab"),
             ],
         ),
         "Generate fstab",
diff --git a/src/internal/install.rs b/src/internal/install.rs
index 2eaca16..b15d13a 100755
--- a/src/internal/install.rs
+++ b/src/internal/install.rs
@@ -3,10 +3,7 @@ use std::process::Command;
 
 pub fn install(pkgs: Vec<&str>) {
     exec_eval(
-        Command::new("pacstrap")
-            .arg("/mnt")
-            .args(&pkgs)
-            .status(),
+        Command::new("pacstrap").arg("/mnt").args(&pkgs).status(),
         format!("Install packages {}", pkgs.join(", ")).as_str(),
     );
 }