diff --git a/src/hsm/cmd_mse.c b/src/hsm/cmd_mse.c
index 700f224..ff69529 100644
--- a/src/hsm/cmd_mse.c
+++ b/src/hsm/cmd_mse.c
@@ -68,6 +68,8 @@ int cmd_mse() {
                                                              &chr_len);
                             if (memcmp(chr, tag_data, chr_len) == 0) {
                                 ef_puk_aut = ef;
+                                if (puk_status[i] == 1)
+                                    return SW_CONDITIONS_NOT_SATISFIED(); // It is correct
                                 return SW_OK();
                             }
                         }