diff --git a/src/openpgp/cmd_put_data.c b/src/openpgp/cmd_put_data.c
index 5abfb00..81918cc 100644
--- a/src/openpgp/cmd_put_data.c
+++ b/src/openpgp/cmd_put_data.c
@@ -98,8 +98,8 @@ int cmd_put_data(void) {
                 r = file_put_data(ef, CONST_BYTE_ARRAY(pw_status, sizeof(pw_status)));
             }
             else if (fid == EF_RC) {
-                if ((r = check_pin_len(EF_RC, apdu.nc)) != 0x9000) {
-                    return r;
+                if (check_pin_len(EF_RC, apdu.nc) != 0x9000) {
+                    return SW_WRONG_DATA();
                 }
                 has_rc = false;
                 if ((r = load_dek()) != PICOKEYS_OK) {