diff --git a/desktop/src/main/java/bisq/desktop/main/support/dispute/DisputeView.java b/desktop/src/main/java/bisq/desktop/main/support/dispute/DisputeView.java
index f102f4e56c6..f00e52130d0 100644
--- a/desktop/src/main/java/bisq/desktop/main/support/dispute/DisputeView.java
+++ b/desktop/src/main/java/bisq/desktop/main/support/dispute/DisputeView.java
@@ -55,7 +55,6 @@
 
 import bisq.network.p2p.NodeAddress;
 
-import bisq.common.app.Version;
 import bisq.common.crypto.KeyRing;
 import bisq.common.crypto.PubKeyRing;
 import bisq.common.util.Utilities;
@@ -475,16 +474,6 @@ protected void reOpenDisputeFromButton() {
 
     protected abstract void handleOnSelectDispute(Dispute dispute);
 
-    protected void onCloseDispute(Dispute dispute) {
-        long protocolVersion = dispute.getContract().getOfferPayload().getProtocolVersion();
-        if (protocolVersion == Version.TRADE_PROTOCOL_VERSION) {
-            disputeSummaryWindow.onFinalizeDispute(() -> chatView.removeInputBox())
-                    .show(dispute);
-        } else {
-            new Popup().warning(Res.get("support.wrongVersion", protocolVersion)).show();
-        }
-    }
-
     protected void reOpenDispute() {
         if (selectedDispute != null) {
             selectedDispute.setIsClosed(false);
diff --git a/desktop/src/main/java/bisq/desktop/main/support/dispute/agent/DisputeAgentView.java b/desktop/src/main/java/bisq/desktop/main/support/dispute/agent/DisputeAgentView.java
index b3111962fb4..aafb16d2185 100644
--- a/desktop/src/main/java/bisq/desktop/main/support/dispute/agent/DisputeAgentView.java
+++ b/desktop/src/main/java/bisq/desktop/main/support/dispute/agent/DisputeAgentView.java
@@ -215,6 +215,8 @@ protected void setupTable() {
         tableView.getColumns().add(getAlertColumn());
     }
 
+    protected abstract void onCloseDispute(Dispute dispute);
+
 
     ///////////////////////////////////////////////////////////////////////////////////////////
     // Private
diff --git a/desktop/src/main/java/bisq/desktop/main/support/dispute/agent/arbitration/ArbitratorView.java b/desktop/src/main/java/bisq/desktop/main/support/dispute/agent/arbitration/ArbitratorView.java
index 7c8c40b1417..ba6f4b19952 100644
--- a/desktop/src/main/java/bisq/desktop/main/support/dispute/agent/arbitration/ArbitratorView.java
+++ b/desktop/src/main/java/bisq/desktop/main/support/dispute/agent/arbitration/ArbitratorView.java
@@ -18,6 +18,7 @@
 package bisq.desktop.main.support.dispute.agent.arbitration;
 
 import bisq.desktop.common.view.FxmlView;
+import bisq.desktop.main.overlays.popups.Popup;
 import bisq.desktop.main.overlays.windows.ContractWindow;
 import bisq.desktop.main.overlays.windows.DisputeSummaryWindow;
 import bisq.desktop.main.overlays.windows.TradeDetailsWindow;
@@ -26,6 +27,7 @@
 import bisq.core.account.witness.AccountAgeWitnessService;
 import bisq.core.alert.PrivateNotificationManager;
 import bisq.core.dao.DaoFacade;
+import bisq.core.locale.Res;
 import bisq.core.support.SupportType;
 import bisq.core.support.dispute.Dispute;
 import bisq.core.support.dispute.DisputeSession;
@@ -84,4 +86,17 @@ protected SupportType getType() {
     protected DisputeSession getConcreteDisputeChatSession(Dispute dispute) {
         return new ArbitrationSession(dispute, disputeManager.isTrader(dispute));
     }
+
+    @Override
+    protected void onCloseDispute(Dispute dispute) {
+        long protocolVersion = dispute.getContract().getOfferPayload().getProtocolVersion();
+        // Only cases with protocolVersion 1 are candidates for legacy arbitration.
+        // This code path is not tested and it is not assumed that it is still be used as old arbitrators would use
+        // their old Bisq version if still cases are pending.
+        if (protocolVersion == 1) {
+            disputeSummaryWindow.onFinalizeDispute(() -> chatView.removeInputBox()).show(dispute);
+        } else {
+            new Popup().warning(Res.get("support.wrongVersion", protocolVersion)).show();
+        }
+    }
 }
diff --git a/desktop/src/main/java/bisq/desktop/main/support/dispute/agent/mediation/MediatorView.java b/desktop/src/main/java/bisq/desktop/main/support/dispute/agent/mediation/MediatorView.java
index 4dacc16ed2c..835a1034fcb 100644
--- a/desktop/src/main/java/bisq/desktop/main/support/dispute/agent/mediation/MediatorView.java
+++ b/desktop/src/main/java/bisq/desktop/main/support/dispute/agent/mediation/MediatorView.java
@@ -112,7 +112,6 @@ protected DisputeSession getConcreteDisputeChatSession(Dispute dispute) {
 
     @Override
     protected void onCloseDispute(Dispute dispute) {
-        disputeSummaryWindow.onFinalizeDispute(() -> chatView.removeInputBox())
-                .show(dispute);
+        disputeSummaryWindow.onFinalizeDispute(() -> chatView.removeInputBox()).show(dispute);
     }
 }
diff --git a/desktop/src/main/java/bisq/desktop/main/support/dispute/agent/refund/RefundAgentView.java b/desktop/src/main/java/bisq/desktop/main/support/dispute/agent/refund/RefundAgentView.java
index 797e4849bd0..ef5ed5c1487 100644
--- a/desktop/src/main/java/bisq/desktop/main/support/dispute/agent/refund/RefundAgentView.java
+++ b/desktop/src/main/java/bisq/desktop/main/support/dispute/agent/refund/RefundAgentView.java
@@ -18,6 +18,7 @@
 package bisq.desktop.main.support.dispute.agent.refund;
 
 import bisq.desktop.common.view.FxmlView;
+import bisq.desktop.main.overlays.popups.Popup;
 import bisq.desktop.main.overlays.windows.ContractWindow;
 import bisq.desktop.main.overlays.windows.DisputeSummaryWindow;
 import bisq.desktop.main.overlays.windows.TradeDetailsWindow;
@@ -26,6 +27,7 @@
 import bisq.core.account.witness.AccountAgeWitnessService;
 import bisq.core.alert.PrivateNotificationManager;
 import bisq.core.dao.DaoFacade;
+import bisq.core.locale.Res;
 import bisq.core.support.SupportType;
 import bisq.core.support.dispute.Dispute;
 import bisq.core.support.dispute.DisputeSession;
@@ -84,4 +86,15 @@ protected SupportType getType() {
     protected DisputeSession getConcreteDisputeChatSession(Dispute dispute) {
         return new RefundSession(dispute, disputeManager.isTrader(dispute));
     }
+
+    @Override
+    protected void onCloseDispute(Dispute dispute) {
+        long protocolVersion = dispute.getContract().getOfferPayload().getProtocolVersion();
+        // Refund agent was introduced with protocolVersion version 2. We do not support old trade protocol cases.
+        if (protocolVersion >= 2) {
+            disputeSummaryWindow.onFinalizeDispute(() -> chatView.removeInputBox()).show(dispute);
+        } else {
+            new Popup().warning(Res.get("support.wrongVersion", protocolVersion)).show();
+        }
+    }
 }