diff --git a/scim-wnn/src/romkan.cpp b/scim-wnn/src/romkan.cpp
index 45f19f6..bb66de1 100644
--- a/scim-wnn/src/romkan.cpp
+++ b/scim-wnn/src/romkan.cpp
@@ -570,6 +570,7 @@
         // ��ľ���֤��٤����
         if ((key.code == SCIM_KEY_Return) ||
             (key.code == SCIM_KEY_Linefeed) ||
+            (key.code == SCIM_KEY_BackSpace) ||
             (key.code == SCIM_KEY_Tab)) return(false);
         insert(key.get_ascii_code());
         return(true);