diff --git a/HISTORY b/HISTORY
index 3b0f2a7..86ed959 100755
--- a/HISTORY
+++ b/HISTORY
@@ -1,3 +1,6 @@
+Mar. 8 2016
+Fixed a memory overflow bug with the ASC statement
+
 Mar. 4 2016
 Fixed a memory leak with sub routine parameter
 Improved inputer
diff --git a/core/my_basic.c b/core/my_basic.c
index ccfd835..0eb4820 100755
--- a/core/my_basic.c
+++ b/core/my_basic.c
@@ -14654,6 +14654,7 @@ static int _std_asc(mb_interpreter_t* s, void** l) {
 	int result = MB_FUNC_OK;
 	char* arg = 0;
 	int_t val = 0;
+	size_t sz = 0;
 
 	mb_assert(s && l);
 
@@ -14668,7 +14669,9 @@ static int _std_asc(mb_interpreter_t* s, void** l) {
 
 		goto _exit;
 	}
-	memcpy(&val, arg, strlen(arg));
+	sz = strlen(arg);
+	if(sizeof(int_t) < sz) sz = sizeof(int_t);
+	memcpy(&val, arg, sz);
 	mb_check(mb_push_int(s, l, val));
 
 _exit: