diff --git a/src/shared/tpm2-util.c b/src/shared/tpm2-util.c
index a64c2738bf..cc26441a1e 100644
--- a/src/shared/tpm2-util.c
+++ b/src/shared/tpm2-util.c
@@ -7391,8 +7391,8 @@ int tpm2_make_luks2_json(
                                        JSON_BUILD_PAIR("keyslots", JSON_BUILD_ARRAY(JSON_BUILD_STRING(keyslot_as_string))),
                                        JSON_BUILD_PAIR("tpm2-blob", JSON_BUILD_IOVEC_BASE64(blob)),
                                        JSON_BUILD_PAIR("tpm2-pcrs", JSON_BUILD_VARIANT(hmj)),
-                                       JSON_BUILD_PAIR_CONDITION(!!tpm2_hash_alg_to_string(pcr_bank), "tpm2-pcr-bank", JSON_BUILD_STRING(tpm2_hash_alg_to_string(pcr_bank))),
-                                       JSON_BUILD_PAIR_CONDITION(!!tpm2_asym_alg_to_string(primary_alg), "tpm2-primary-alg", JSON_BUILD_STRING(tpm2_asym_alg_to_string(primary_alg))),
+                                       JSON_BUILD_PAIR_CONDITION(pcr_bank != 0 && tpm2_hash_alg_to_string(pcr_bank), "tpm2-pcr-bank", JSON_BUILD_STRING(tpm2_hash_alg_to_string(pcr_bank))),
+                                       JSON_BUILD_PAIR_CONDITION(primary_alg != 0 && tpm2_asym_alg_to_string(primary_alg), "tpm2-primary-alg", JSON_BUILD_STRING(tpm2_asym_alg_to_string(primary_alg))),
                                        JSON_BUILD_PAIR("tpm2-policy-hash", JSON_BUILD_IOVEC_HEX(policy_hash)),
                                        JSON_BUILD_PAIR("tpm2-pin", JSON_BUILD_BOOLEAN(flags & TPM2_FLAGS_USE_PIN)),
                                        JSON_BUILD_PAIR("tpm2_pcrlock", JSON_BUILD_BOOLEAN(flags & TPM2_FLAGS_USE_PCRLOCK)),