diff --git a/honoka/src/romkan.cpp b/honoka/src/romkan.cpp
index 7fb21f2..5af95a1 100644
--- a/honoka/src/romkan.cpp
+++ b/honoka/src/romkan.cpp
@@ -394,12 +394,16 @@
     if (buf.length()) buf = buf.substr(0,buf.length() - 1);
     // BS���˥Хåե���Ƭ��ʸ����������
     // ���ΰ�ʸ�������󥰥�Х��ȤǤʤ��ä������˴���
-    if (pos && (!removeRemainder) && ((pos - buf.size()) > 0)) {
-        String s = utf8_wcstombs(text.substr(pos - (buf.length() + 1),1));
-        if (s.length() == 1) {
-            buf = s + buf;
-            eval();
+    if (pos && (!removeRemainder)) {
+        while((pos - buf.size()) > 0) {
+            String s = utf8_wcstombs(text.substr(pos - (buf.length() + 1),1));
+            if (s.length() == 1) {
+                buf = s + buf;
+            } else break;
         }
+        eval();
+        return;
+
     }
 }