diff --git a/src/server.c b/src/server.c
index f87193b74..bf4967c10 100644
--- a/src/server.c
+++ b/src/server.c
@@ -3883,6 +3883,7 @@ int processCommand(client *c) {
                 flagTransaction(c);
             }
             clusterRedirectClient(c, n, c->slot, error_code);
+            c->duration = 0;
             c->cmd->rejected_calls++;
             return C_OK;
         }
diff --git a/tests/unit/cluster/slot-migration.tcl b/tests/unit/cluster/slot-migration.tcl
index 008e97e03..d4f0d43b3 100644
--- a/tests/unit/cluster/slot-migration.tcl
+++ b/tests/unit/cluster/slot-migration.tcl
@@ -422,3 +422,24 @@ start_cluster 3 3 {tags {external:skip cluster} overrides {cluster-allow-replica
         resume_process [srv -3 pid]
     }
 }
+
+start_cluster 2 0 {tags {external:skip cluster regression} overrides {cluster-allow-replica-migration no cluster-node-timeout 1000} } {
+    # Issue #563 regression test
+    test "Client blocked on XREADGROUP while stream's slot is migrated" {
+        set stream_name aga
+        set slot 609
+
+        # Start a deferring client to simulate a blocked client on XREADGROUP
+        R 0 XGROUP CREATE $stream_name mygroup $ MKSTREAM
+        set rd [valkey_deferring_client]
+        $rd xreadgroup GROUP mygroup consumer BLOCK 0 streams $stream_name >
+        wait_for_blocked_client
+
+        # Migrate the slot to the target node
+        R 0 CLUSTER SETSLOT $slot MIGRATING [dict get [cluster_get_myself 1] id]
+        R 1 CLUSTER SETSLOT $slot IMPORTING [dict get [cluster_get_myself 0] id]
+
+        # This line should cause the crash
+        R 0 MIGRATE 127.0.0.1 [lindex [R 1 CONFIG GET port] 1] $stream_name 0 5000
+    }
+}