diff --git a/scim-wnn/src/romkan.cpp b/scim-wnn/src/romkan.cpp
index 937e3f2..b280040 100644
--- a/scim-wnn/src/romkan.cpp
+++ b/scim-wnn/src/romkan.cpp
@@ -82,14 +82,14 @@
     s = k;
     if (k == 0) return(text);
     switch(mode) {
-        case LATIN: {
+        case ASCII: {
             buf.clear();
             text = text.substr(0,pos) + utf8_mbstowcs(s) + text.substr(pos);
             pos ++;
             return(text);
             break;
         }
-        case WLATIN: {
+        case WASCII: {
             buf.clear();
             WideString w = utf8_mbstowcs(s);
             convHanZen(w);
@@ -100,11 +100,11 @@
         }
         case ROMA: {
             if (k == 'q') {
-                mode = LATIN;
+                mode = ASCII;
                 buf.clear();
                 return(text);
             } else if (k == 'Q') {
-                mode = WLATIN;
+                mode = WASCII;
                 buf.clear();
                 return(text);
             }
@@ -255,7 +255,7 @@
  */
 bool Romkan::keyEventHook(const KeyEvent &key)
 {
-    if ((isprint(key.code)) && ((mode == LATIN) || (mode == WLATIN))) {
+    if ((isprint(key.code)) && ((mode == ASCII) || (mode == WASCII))) {
         if ((!key.is_alt_down()) && (!key.is_control_down())) {
             insert(key.get_ascii_code());
             return(true);
@@ -283,12 +283,12 @@
             return(String(_("Roma-Kana")));
             break;
         }
-        case LATIN: {
-            return(String(_("Latin")));
+        case ASCII: {
+            return(String(_("Ascii")));
             break;
         }
-        case WLATIN: {
-            return(String(_("Wide Latin")));
+        case WASCII: {
+            return(String(_("Wide Ascii")));
             break;
         }
     }
@@ -300,7 +300,7 @@
  */
 bool Romkan::cancelEvent()
 {
-    if ((mode == LATIN) || (mode == WLATIN)) {
+    if ((mode == ASCII) || (mode == WASCII)) {
         mode = ROMA;
         return(true);
     }
diff --git a/scim-wnn/src/romkan.h b/scim-wnn/src/romkan.h
index bd59f9e..1c8cc88 100644
--- a/scim-wnn/src/romkan.h
+++ b/scim-wnn/src/romkan.h
@@ -61,7 +61,7 @@
 protected:
     String buf;
     String modeName;
-    enum inputMode {ROMA,LATIN,WLATIN};
+    enum inputMode {ROMA,ASCII,WASCII};
     inputMode mode;
 };