diff --git a/src/input/input.h b/src/input/input.h
index cc9833d8..560786de 100644
--- a/src/input/input.h
+++ b/src/input/input.h
@@ -42,79 +42,79 @@ struct Key
     enum Value
     {
         /* ASCII mapped keys */
-        Unknown = 0,
-        First = 0,
-        Backspace = 8,
-        Tab = 9,
-        Clear = 12,
-        Return = 13,
-        Pause = 19,
-        Escape = 27,
-        Space = 32,
-        Exclaim = 33,
-        DoubleQuote = 34,
-        Hash = 35,
-        Dollar = 36,
-        Ampersand = 38,
-        Quote = 39,
-        LeftParen = 40,
-        RightParen = 41,
-        Asterisk = 42,
-        Plus = 43,
-        Comma = 44,
-        Minus = 45,
-        Period = 46,
-        Slash = 47,
-        K0 = 48,
-        K1 = 49,
-        K2 = 50,
-        K3 = 51,
-        K4 = 52,
-        K5 = 53,
-        K6 = 54,
-        K7 = 55,
-        K8 = 56,
-        K9 = 57,
-        Colon = 58,
-        Semicolon = 59,
-        Less = 60,
-        Equals = 61,
-        Greater = 62,
-        Question = 63,
-        At = 64,
+        Unknown =     0,
+        First =       0,
+        Backspace =   8,
+        Tab =         (int)'\t',
+        Clear =       12,
+        Return =      13,
+        Pause =       19,
+        Escape =      27,
+        Space =       (int)' ',
+        Exclaim =     (int)'!',
+        DoubleQuote = (int)'"',
+        Hash =        (int)'#',
+        Dollar =      (int)'$',
+        Ampersand =   (int)'&',
+        Quote =       (int)'\'',
+        LeftParen =   (int)'(',
+        RightParen =  (int)')',
+        Asterisk =    (int)'*',
+        Plus =        (int)'+',
+        Comma =       (int)',',
+        Minus =       (int)'-',
+        Period =      (int)'.',
+        Slash =       (int)'/',
+        K0 = (int)'0',
+        K1 = (int)'1',
+        K2 = (int)'2',
+        K3 = (int)'3',
+        K4 = (int)'4',
+        K5 = (int)'5',
+        K6 = (int)'6',
+        K7 = (int)'7',
+        K8 = (int)'8',
+        K9 = (int)'9',
+        Colon =        (int)':',
+        Semicolon =    (int)';',
+        Less =         (int)'<',
+        Equals =       (int)'=',
+        Greater =      (int)'>',
+        Question =     (int)'?',
+        At =           (int)'@',
         /* XXX: SDL decides to skip uppercase characters */
-        LeftBracket = 91,
-        BackSlash = 92,
-        RightBracket = 93,
-        Caret = 94,
-        Underscore = 95,
-        Backquote = 96,
-        A = 97,
-        B = 98,
-        C = 99,
-        D = 100,
-        E = 101,
-        F = 102,
-        G = 103,
-        H = 104,
-        I = 105,
-        J = 106,
-        K = 107,
-        L = 108,
-        M = 109,
-        N = 110,
-        O = 111,
-        P = 112,
-        Q = 113,
-        R = 114,
-        S = 115,
-        T = 116,
-        U = 117,
-        V = 118,
-        W = 119,
-        X = 120,
-        Y = 121,
-        Z = 122,
+        LeftBracket =  (int)'[',
+        BackSlash =    (int)'\\',
+        RightBracket = (int)']',
+        Caret =        (int)'^',
+        Underscore =   (int)'_',
+        Backquote =    (int)'`',
+        A = (int)'a',
+        B = (int)'b',
+        C = (int)'c',
+        D = (int)'d',
+        E = (int)'e',
+        F = (int)'f',
+        G = (int)'g',
+        H = (int)'h',
+        I = (int)'i',
+        J = (int)'j',
+        K = (int)'k',
+        L = (int)'l',
+        M = (int)'m',
+        N = (int)'n',
+        O = (int)'o',
+        P = (int)'p',
+        Q = (int)'q',
+        R = (int)'r',
+        S = (int)'s',
+        T = (int)'t',
+        U = (int)'u',
+        V = (int)'v',
+        W = (int)'w',
+        X = (int)'x',
+        Y = (int)'y',
+        Z = (int)'z',
         Delete = 127,
 
         /* International keyboard syms */