diff --git a/src/knot/conf/conf.c b/src/knot/conf/conf.c
index b5c6d57e9cd3a9b81e452c614890e66156b08527..44eb2c48bc703935b1dc535ebac731823d9e5820 100644
--- a/src/knot/conf/conf.c
+++ b/src/knot/conf/conf.c
@@ -80,6 +80,7 @@ conf_val_t conf_rawid_get_txn(
 		// FALLTHROUGH
 	case KNOT_EOK:
 	case KNOT_ENOENT:
+	case KNOT_YP_EINVAL_ID:
 		return val;
 	}
 }
@@ -110,6 +111,7 @@ conf_val_t conf_id_get_txn(
 		// FALLTHROUGH
 	case KNOT_EOK:
 	case KNOT_ENOENT:
+	case KNOT_YP_EINVAL_ID:
 		return val;
 	}
 }
@@ -137,6 +139,7 @@ conf_val_t conf_mod_get_txn(
 		// FALLTHROUGH
 	case KNOT_EOK:
 	case KNOT_ENOENT:
+	case KNOT_YP_EINVAL_ID:
 		return val;
 	}
 }
@@ -195,6 +198,7 @@ conf_val_t conf_zone_get_txn(
 		// FALLTHROUGH
 	case KNOT_EOK:
 	case KNOT_ENOENT:
+	case KNOT_YP_EINVAL_ID:
 		break;
 	}