diff --git a/lib/sj4ime/KanaTable b/lib/sj4ime/KanaTable
index 8498305..342a8f4 100644
--- a/lib/sj4ime/KanaTable
+++ b/lib/sj4ime/KanaTable
@@ -253,6 +253,10 @@
 {"XKE", "\245\366", ""},
 {"X,", "\241\253", ""},
 {"X.", "\241\254", ""},
+{",", "\241\242", ""},
+{".", "\241\243", ""},
+{"[", "\216\242", ""},
+{"]", "\216\243", ""},
 {"~", "\217\242\267", ""},
 {"A", "\244\242", ""},
 {"I", "\244\244", ""},
diff --git a/lib/sj4ime/ime.c b/lib/sj4ime/ime.c
index d44656b..1d91161 100644
--- a/lib/sj4ime/ime.c
+++ b/lib/sj4ime/ime.c
@@ -132,7 +132,7 @@ void sj4_ime_key(Sj4Ime* ime, int key) {
 				goto reconvert;
 			}
 		}
-	} else if('a' <= tolower(key) && tolower(key) <= 'z') {
+	} else if(('a' <= tolower(key) && tolower(key) <= 'z') || key == '~' || key == ',' || key == '.' || key == '[' || key == ']') {
 		int i;
 
 		if(ime->last != 0) comp(ime);