diff --git a/rdesktop.c b/rdesktop.c
index 57796de..7a24869 100644
--- a/rdesktop.c
+++ b/rdesktop.c
@@ -51,7 +51,7 @@ char g_title[64] = "";
 char g_username[64];
 char g_hostname[16];
 char g_keymapname[PATH_MAX] = "";
-int g_keylayout = 0x409;	/* Defaults to US keyboard layout */
+unsigned int g_keylayout = 0x409;	/* Defaults to US keyboard layout */
 int g_keyboard_type = 0x4;	/* Defaults to US keyboard layout */
 int g_keyboard_subtype = 0x0;	/* Defaults to US keyboard layout */
 int g_keyboard_functionkeys = 0xc;	/* Defaults to US keyboard layout */
diff --git a/secure.c b/secure.c
index d11fc60..b984219 100644
--- a/secure.c
+++ b/secure.c
@@ -29,7 +29,7 @@
 extern char g_hostname[16];
 extern int g_width;
 extern int g_height;
-extern int g_keylayout;
+extern unsigned int g_keylayout;
 extern int g_keyboard_type;
 extern int g_keyboard_subtype;
 extern int g_keyboard_functionkeys;
diff --git a/xkeymap.c b/xkeymap.c
index 5d1872b..0022ff4 100644
--- a/xkeymap.c
+++ b/xkeymap.c
@@ -41,7 +41,7 @@
 extern Display *g_display;
 extern Window g_wnd;
 extern char g_keymapname[16];
-extern int g_keylayout;
+extern unsigned int g_keylayout;
 extern int g_keyboard_type;
 extern int g_keyboard_subtype;
 extern int g_keyboard_functionkeys;
@@ -321,7 +321,7 @@ xkeymap_read(char *mapname)
 		/* map */
 		if (str_startswith(line, "map "))
 		{
-			g_keylayout = strtol(line + sizeof("map ") - 1, NULL, 16);
+			g_keylayout = strtoul(line + sizeof("map ") - 1, NULL, 16);
 			DEBUG_KBD(("Keylayout 0x%x\n", g_keylayout));
 			continue;
 		}