diff --git a/c/input/lrec_reader_stdio_csv.c b/c/input/lrec_reader_stdio_csv.c
index 035d1c3b0..a19da4b24 100644
--- a/c/input/lrec_reader_stdio_csv.c
+++ b/c/input/lrec_reader_stdio_csv.c
@@ -233,7 +233,7 @@ static lrec_t* paste_header_and_data(lrec_reader_stdio_csv_state_t* pstate, slls
 	sllse_t* pd = pdata_fields->phead;
 	for ( ; ph != NULL && pd != NULL; ph = ph->pnext, pd = pd->pnext) {
 		// for performance, xxx reduce the copies here
-		lrec_put(prec, ph->value, strdup(pd->value), LREC_FREE_ENTRY_VALUE);
+		lrec_put_no_free(prec, ph->value, pd->value);
 	}
 	return prec;
 }