diff --git a/include/xrpl/protocol/detail/features.macro b/include/xrpl/protocol/detail/features.macro
index e2d1fb4ed68..292cb1dc1c6 100644
--- a/include/xrpl/protocol/detail/features.macro
+++ b/include/xrpl/protocol/detail/features.macro
@@ -29,6 +29,7 @@
 // If you add an amendment here, then do not forget to increment `numFeatures`
 // in include/xrpl/protocol/Feature.h.
 
+XRPL_FEATURE(PermissionedDomains,        Supported::no,  VoteBehavior::DefaultNo)
 XRPL_FEATURE(Credentials,                Supported::yes, VoteBehavior::DefaultNo)
 XRPL_FEATURE(AMMClawback,                Supported::yes, VoteBehavior::DefaultNo)
 XRPL_FIX    (AMMv1_2,                    Supported::yes, VoteBehavior::DefaultNo)
@@ -98,8 +99,6 @@ XRPL_FIX    (1513,                       Supported::yes, VoteBehavior::DefaultYe
 XRPL_FEATURE(FlowCross,                  Supported::yes, VoteBehavior::DefaultYes)
 XRPL_FEATURE(Flow,                       Supported::yes, VoteBehavior::DefaultYes)
 XRPL_FEATURE(OwnerPaysFee,               Supported::no,  VoteBehavior::DefaultNo)
-XRPL_FEATURE(PermissionedDomains,        Supported::no,  VoteBehavior::DefaultNo)
-
 
 // The following amendments are obsolete, but must remain supported
 // because they could potentially get enabled.
diff --git a/src/test/rpc/LedgerRPC_test.cpp b/src/test/rpc/LedgerRPC_test.cpp
index 99b0f0a23fc..0dd7436d502 100644
--- a/src/test/rpc/LedgerRPC_test.cpp
+++ b/src/test/rpc/LedgerRPC_test.cpp
@@ -494,6 +494,18 @@ class LedgerRPC_test : public beast::unit_test::suite
                 "json", "ledger", "{ \"ledger_index\" : 1000000000000000 }");
             checkErrorValue(ret, "invalidParams", "Invalid parameters.");
         }
+
+        {
+            // ask for an zero index
+            Json::Value jvParams;
+            jvParams[jss::ledger_index] = "validated";
+            jvParams[jss::index] =
+                "00000000000000000000000000000000000000000000000000000000000000"
+                "0000";
+            auto const jrr = env.rpc(
+                "json", "ledger_entry", to_string(jvParams))[jss::result];
+            checkErrorValue(jrr, "malformedRequest", "");
+        }
     }
 
     void
@@ -3074,10 +3086,8 @@ class LedgerRPC_test : public beast::unit_test::suite
         env(pd::setTx(alice, {{alice, "first credential"}}));
         env.close();
         auto const objects = pd::getObjects(alice, env);
-        BEAST_EXPECT(objects.size() == 1);
-        if (objects.empty())
+        if (!BEAST_EXPECT(objects.size() == 1))
             return;
-        // env(pd::deleteTx(alice, domain));
 
         {
             // Succeed
diff --git a/src/xrpld/rpc/handlers/LedgerEntry.cpp b/src/xrpld/rpc/handlers/LedgerEntry.cpp
index 8cb99acb231..6f12d5079b6 100644
--- a/src/xrpld/rpc/handlers/LedgerEntry.cpp
+++ b/src/xrpld/rpc/handlers/LedgerEntry.cpp
@@ -809,6 +809,7 @@ doLedgerEntry(RPC::JsonContext& context)
         }
         else if (context.params.isMember(jss::permissioned_domain))
         {
+            expectedType = ltPERMISSIONED_DOMAIN;
             uNodeIndex = beast::zero;
             auto const& pd = context.params[jss::permissioned_domain];
             if (pd.isString())
@@ -822,6 +823,7 @@ doLedgerEntry(RPC::JsonContext& context)
             else if (
                 !pd.isObject() || !pd.isMember(jss::account) ||
                 !pd[jss::account].isString() || !pd.isMember(jss::seq) ||
+                (pd[jss::seq].isInt() && pd[jss::seq].asInt() < 0) ||
                 (!pd[jss::seq].isInt() && !pd[jss::seq].isUInt()))
             {
                 jvResult[jss::error] = "malformedRequest";
@@ -905,6 +907,10 @@ doLedgerEntry(RPC::JsonContext& context)
             jvResult[jss::index] = to_string(uNodeIndex);
         }
     }
+    else if (!jvResult.isMember(jss::error))
+    {
+        jvResult[jss::error] = "malformedRequest";
+    }
 
     return jvResult;
 }