diff --git a/src/display.rs b/src/display.rs
index a0309aa..d7d6459 100644
--- a/src/display.rs
+++ b/src/display.rs
@@ -5,8 +5,6 @@ use crate::utils::{Errors, Node};
 use self::ansi_term::Colour::Red;
 use lscolors::{LsColors, Style};
 
-use terminal_size::{terminal_size, Height, Width};
-
 use unicode_width::UnicodeWidthStr;
 
 use stfu8::encode_u8;
@@ -20,7 +18,6 @@ use thousands::Separable;
 
 static UNITS: [char; 4] = ['T', 'G', 'M', 'K'];
 static BLOCKS: [char; 5] = ['█', '▓', '▒', '░', ' '];
-static DEFAULT_TERMINAL_WIDTH: u16 = 80;
 
 pub struct DisplayData {
     pub short_paths: bool,
@@ -108,21 +105,14 @@ impl DrawData<'_> {
     }
 }
 
-fn get_width_of_terminal() -> u16 {
-    // Windows CI runners detect a very low terminal width
-    if let Some((Width(w), Height(_h))) = terminal_size() {
-        max(w, DEFAULT_TERMINAL_WIDTH)
-    } else {
-        DEFAULT_TERMINAL_WIDTH
-    }
-}
-
+#[allow(clippy::too_many_arguments)]
 pub fn draw_it(
     errors: Errors,
     use_full_path: bool,
     is_reversed: bool,
     no_colors: bool,
     no_percents: bool,
+    terminal_width: usize,
     by_filecount: bool,
     root_node: Node,
 ) {
@@ -139,7 +129,7 @@ pub fn draw_it(
         5 // Under normal usage we need 5 chars to display the size of a directory
     };
 
-    let terminal_width = get_width_of_terminal() as usize - 9 - num_chars_needed_on_left_most;
+    let terminal_width = terminal_width - 9 - num_chars_needed_on_left_most;
     let num_indent_chars = 3;
     let longest_string_length = root_node
         .children
diff --git a/src/main.rs b/src/main.rs
index b034d7f..1a6d31e 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -17,6 +17,7 @@ mod display;
 mod utils;
 
 static DEFAULT_NUMBER_OF_LINES: usize = 30;
+static DEFAULT_TERMINAL_WIDTH: usize = 80;
 
 #[cfg(windows)]
 fn init_color(no_color: bool) -> bool {
@@ -52,6 +53,15 @@ fn get_height_of_terminal() -> usize {
     }
 }
 
+fn get_width_of_terminal() -> usize {
+    // Windows CI runners detect a very low terminal width
+    if let Some((Width(w), Height(_h))) = terminal_size() {
+        max(w as usize, DEFAULT_TERMINAL_WIDTH)
+    } else {
+        DEFAULT_TERMINAL_WIDTH
+    }
+}
+
 fn main() {
     let default_height = get_height_of_terminal();
     let def_num_str = default_height.to_string();
@@ -71,7 +81,7 @@ fn main() {
             Arg::with_name("number_of_lines")
                 .short("n")
                 .long("number-of-lines")
-                .help("Number of lines of output to show")
+                .help("Number of lines of output to show. This is Height, (but h is help)")
                 .takes_value(true)
                 .default_value(def_num_str.as_ref()),
         )
@@ -132,6 +142,14 @@ fn main() {
                 .long("ignore_hidden")
                 .help("Obey .git_ignore rules & Do not display hidden files"),
         )
+        .arg(
+            Arg::with_name("width")
+                .short("w")
+                .long("terminal_width")
+                .takes_value(true)
+                .number_of_values(1)
+                .help("Specify width of output overriding the auto detection of terminal width"),
+        )
 
         .arg(Arg::with_name("inputs").multiple(true))
         .get_matches();
@@ -151,6 +169,11 @@ fn main() {
         }
     };
 
+    let terminal_width = match value_t!(options.value_of("width"), usize) {
+        Ok(v) => v,
+        Err(_) => get_width_of_terminal(),
+    };
+
     let depth = options.value_of("depth").and_then(|depth| {
         depth
             .parse::<usize>()
@@ -197,6 +220,7 @@ fn main() {
         !options.is_present("reverse"),
         no_colors,
         options.is_present("no_bars"),
+        terminal_width,
         by_filecount,
         tree,
     );