1 files changed, 1 insertions, 0 deletions
diff --git a/re.c b/re.c
index 76c42c393f..ea6c644498 100644
--- a/re.c
+++ b/re.c
@@ -2796,6 +2796,7 @@ rb_reg_regsub(VALUE str, VALUE src, struct re_registers *regs, VALUE regexp)
         rb_str_buf_cat(val, p, e-p);
     }
     if (!val) return str;
+    rb_enc_copy(val, str);
 
     return val;
 }