diff --git a/Cargo.lock b/Cargo.lock
index 9e10cdf..5f8dcc7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -83,7 +83,7 @@ dependencies = [
 
 [[package]]
 name = "lazy_hacker_editor"
-version = "0.6.0"
+version = "0.6.1"
 dependencies = [
  "ctrlc",
  "pancurses",
diff --git a/Cargo.toml b/Cargo.toml
index 74948b4..9daaddb 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,14 +4,13 @@ description = """
 Write code already written. Fake code editor that writes
 real code, probably yours, no matter which key you stroke.
 """
-version = "0.6.0"
+version = "0.6.1"
 authors = ["Ignacio Lago <ignacio@ignaciolago.com>"]
 edition = "2018"
 homepage = "https://github.com/ignlg/lazy_hacker_editor"
 repository = "https://github.com/ignlg/lazy_hacker_editor"
 readme = "README.md"
 license = "GPL-3.0-or-later"
-license-file = "LICENSE.md"
 keywords = [
   "lazy",
   "hacker",
diff --git a/src/main.rs b/src/main.rs
index 1968a8e..a1dfa19 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,3 +1,4 @@
+use pancurses::chtype;
 use pancurses::{
     endwin, has_colors, init_pair, initscr, noecho, resize_term, start_color, Input, Window,
     A_BOLD, A_NORMAL, COLOR_BLACK, COLOR_BLUE, COLOR_CYAN, COLOR_GREEN, COLOR_MAGENTA, COLOR_PAIR,
@@ -69,8 +70,8 @@ const COLOR_TABLE: [i16; 8] = [
     COLOR_WHITE,
 ];
 
-const COLOR_TEXT: u32 = 1;
-const COLOR_HIGHLIGHT: u32 = 2;
+const COLOR_TEXT: usize = 1;
+const COLOR_HIGHLIGHT: usize = 2;
 
 /// Initializes pancurses window
 fn init_window(opt: &Opt) -> Window {
@@ -90,7 +91,7 @@ fn init_window(opt: &Opt) -> Window {
         COLOR_TABLE[opt.hcolor % 8],
         COLOR_BLACK,
     );
-    window.attrset(COLOR_PAIR(COLOR_TEXT) | A_NORMAL);
+    window.attrset(COLOR_PAIR(COLOR_TEXT as chtype) | A_NORMAL);
     window
 }
 
@@ -100,9 +101,9 @@ fn add_text(slice: &str, window: &Window, highlight: bool) {
         // char by char, highlighting
         for c in slice.chars() {
             if HIGHLIGHT_CHARS.contains(&c) {
-                window.attrset(COLOR_PAIR(COLOR_HIGHLIGHT) | A_BOLD);
+                window.attrset(COLOR_PAIR(COLOR_HIGHLIGHT as chtype) | A_BOLD);
             } else {
-                window.attrset(COLOR_PAIR(COLOR_TEXT) | A_NORMAL);
+                window.attrset(COLOR_PAIR(COLOR_TEXT as chtype) | A_NORMAL);
             }
             window.addch(c);
         }