1 files changed, 3 insertions, 0 deletions
diff --git a/re.c b/re.c
index 90999a9572..5663f02919 100644
--- a/re.c
+++ b/re.c
@@ -1205,6 +1205,9 @@ rb_reg_quote(str)
   meta_found:
     tmp = rb_str_new(0, RSTRING(str)->len*2);
     t = RSTRING(tmp)->ptr;
+    /* copy upto metacharacter */
+    memcpy(t, RSTRING(str)->ptr, s - RSTRING(str)->ptr);
+    t += s - RSTRING(str)->ptr;
 
     for (; s < send; s++) {
 	c = *s;