diff --git a/libchewing-0.3.0-6.bz231568.patch b/libchewing-0.3.0-6.bz231568.patch
new file mode 100644
index 0000000..b3facbb
--- /dev/null
+++ b/libchewing-0.3.0-6.bz231568.patch
@@ -0,0 +1,11 @@
+--- libchewing-0.3.0/src/choice.c.bz231568	2007-03-09 12:04:33.000000000 +1000
++++ libchewing-0.3.0/src/choice.c	2007-03-09 12:05:30.000000000 +1000
+@@ -141,6 +141,8 @@
+ 	UserPhraseData *pUserPhraseData;
+ 	uint16 userPhoneSeq[ MAX_PHONE_SEQ_LEN ];
+ 
++        memset( pci->totalChoiceStr, '\0', sizeof(char) * MAX_CHOICE * MAX_PHRASE_LEN * MAX_UTF8_SIZE + 1);
++
+ 	pci->nTotalChoice = 0;
+ 	len = pai->avail[ pai->currentAvail ].len;
+