diff --git a/src/nvim/ops.c b/src/nvim/ops.c
index 46f70cf23e..4f1cd5d526 100644
--- a/src/nvim/ops.c
+++ b/src/nvim/ops.c
@@ -2222,7 +2222,7 @@ int op_change(oparg_T *oap)
       /* Subsequent calls to ml_get() flush the firstline data - take a
        * copy of the inserted text.  */
       ins_text = (char_u *) xmalloc((size_t)(ins_len + 1));
-      vim_strncpy(ins_text, firstline + bd.textcol, (size_t)ins_len);
+      STRLCPY(ins_text, firstline + bd.textcol, ins_len + 1);
       for (linenr = oap->start.lnum + 1; linenr <= oap->end.lnum;
            linenr++) {
         block_prep(oap, &bd, linenr, TRUE);