diff --git a/Cargo.lock b/Cargo.lock
index 9f85172..a0b67ae 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -7,6 +7,8 @@ dependencies = [
  "glib 0.0.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "gtk 0.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "neovim-lib 0.1.0",
+ "phf 0.7.14 (registry+https://github.com/rust-lang/crates.io-index)",
+ "phf_codegen 0.7.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "rmp 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -233,11 +235,50 @@ dependencies = [
  "pkg-config 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "phf"
+version = "0.7.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "phf_shared 0.7.14 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "phf_codegen"
+version = "0.7.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "phf_generator 0.7.14 (registry+https://github.com/rust-lang/crates.io-index)",
+ "phf_shared 0.7.14 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "phf_generator"
+version = "0.7.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "phf_shared 0.7.14 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "phf_shared"
+version = "0.7.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "pkg-config"
 version = "0.3.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "rand"
+version = "0.3.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "rmp"
 version = "0.7.3"
diff --git a/Cargo.toml b/Cargo.toml
index ae44453..596eff8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,6 +10,10 @@ glib = "0.0.8"
 gdk = "0.3.0"
 #neovim-lib = "0.1"
 rmp = "0.7"
+phf = "0.7"
+
+[build-dependencies]
+phf_codegen = "0.7"
 
 [dependencies.neovim-lib]
 path = "../neovim-lib/"
diff --git a/build.rs b/build.rs
index 699c1ca..49cf003 100644
--- a/build.rs
+++ b/build.rs
@@ -1,5 +1,23 @@
+extern crate phf_codegen;
+
+use std::env;
+use std::fs::File;
+use std::io::{BufWriter, Write};
+use std::path::Path;
+
 fn main() {
     if cfg!(target_os = "windows") {
         println!("cargo:rustc-link-search=native=C:\\msys64\\mingw64\\lib");
     }
+
+    let path = Path::new(&env::var("OUT_DIR").unwrap()).join("key_map_table.rs");
+    let mut file = BufWriter::new(File::create(&path).unwrap());
+
+    write!(&mut file, "static KEYVAL_MAP: phf::Map<&'static str, &'static str> = ").unwrap();
+    phf_codegen::Map::new()
+        .entry("Enter", "\"CR\"")
+        .entry("Return", "\"CR\"")
+        .build(&mut file)
+        .unwrap();
+    write!(&mut file, ";\n").unwrap();
 }
diff --git a/src/main.rs b/src/main.rs
index 9a630ef..8f82d74 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -4,6 +4,7 @@ extern crate glib;
 extern crate cairo;
 extern crate neovim_lib;
 extern crate rmp;
+extern crate phf;
 
 mod nvim;
 mod ui_model;
diff --git a/src/ui.rs b/src/ui.rs
index e245db6..4f43af8 100644
--- a/src/ui.rs
+++ b/src/ui.rs
@@ -96,6 +96,13 @@ impl Ui {
     }
 }
 
+use phf;
+include!(concat!(env!("OUT_DIR"), "/key_map_table.rs"));
+
+fn convert_keyval(input: &str) -> Option<&'static str> {
+    KEYVAL_MAP.get(input).cloned()
+}
+
 fn gtk_key_press(_: &Window, ev: &EventKey) -> Inhibit {
     let keyval = ev.get_keyval();
     if let Some(keyval_name) = gdk::keyval_name(keyval) {
@@ -106,7 +113,13 @@ fn gtk_key_press(_: &Window, ev: &EventKey) -> Inhibit {
             } else {
                 keyval_name
             };
-            ui.nvim().input(&input).expect("Error run input command to nvim");
+
+            let converted_input: &str = if let Some(cnvt) = convert_keyval(&input) {
+                cnvt
+            } else {
+                &input
+            };
+            ui.nvim().input(converted_input).expect("Error run input command to nvim");
         });
     }
     Inhibit(true)