diff --git a/Cargo.lock b/Cargo.lock
index d988d46..3c10fc6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -287,7 +287,7 @@ checksum = "6aa2c4e539b869820a2b82e1aef6ff40aa85e65decdd5185e83fb4b1249cd00f"
 
 [[package]]
 name = "nyanit"
-version = "0.1.3"
+version = "0.1.4"
 dependencies = [
  "ratatui",
  "ratatui-textarea",
diff --git a/Cargo.toml b/Cargo.toml
index 8d85579..59b8e5a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "nyanit"
-version = "0.1.3"
+version = "0.1.4"
 edition = "2024"
 
 [dependencies]
diff --git a/src/nyan_system.rs b/src/nyan_system.rs
index 1faf69c..71fa1b1 100644
--- a/src/nyan_system.rs
+++ b/src/nyan_system.rs
@@ -101,7 +101,9 @@ impl std::error::Error for ExecCommandError {}
 
 /// exec given command with arguments, capturing stderr in case or failure
 pub fn exec_command(cmd: &str, args: &Vec<&str>) -> Result<(), ExecCommandError> {
-    let out = Command::new(cmd).args(args).output()?;
+    // For testing shake lets assume all binaries is in /usr/bin
+    let ex_cmd = format!("/usr/bin/{}", cmd);
+    let out = Command::new(ex_cmd).args(args).output()?;
     if out.status.success() {
         Ok(())
     } else {
@@ -236,13 +238,16 @@ pub fn set_env_vars_unsafe() -> () {
     let custom_lib = "/usr/lib";
 
     // 2. Retrieve existing paths to append/prepend (optional but recommended)
-    let existing_path = env::var("PATH").unwrap_or_else(|_| String::new());
-    let existing_ld_path = env::var("LD_LIBRARY_PATH").unwrap_or_else(|_| String::new());
-
     // 3. Construct new path strings
-    // Prepend custom paths so they take precedence
-    let new_path = format!("{}:{}", custom_bin, existing_path);
-    let new_ld_path = format!("{}:{}", custom_lib, existing_ld_path);
+    let new_path = match env::var("PATH") {
+        Err(_) => custom_bin.to_string(),
+        Ok(v)  => format!("{}:{}", v, custom_bin)
+    };
+
+    let new_ld_path = match env::var("LD_LIBRARY_PATH") {
+        Err(_) => custom_lib.to_string(),
+        Ok(v)  => format!("{}:{}", v, custom_lib)
+    };
 
     // 4. Set environment variables (UNSAFE in Rust 2024+)
     // MUST be done before spawning any threads or async runtimes