diff --git a/internal/client/client_adapter_test.go b/internal/client/client_adapter_test.go
new file mode 100644
index 0000000000..4ddcef71fa
--- /dev/null
+++ b/internal/client/client_adapter_test.go
@@ -0,0 +1,18 @@
+// Copyright 2025 ChainSafe Systems (ON)
+// SPDX-License-Identifier: LGPL-3.0-only
+
+package client
+
+import (
+	"testing"
+
+	"github.com/ChainSafe/gossamer/dot/state"
+	"github.com/ChainSafe/gossamer/internal/primitives/core/hash"
+	"github.com/ChainSafe/gossamer/internal/primitives/runtime"
+	"github.com/ChainSafe/gossamer/internal/primitives/runtime/generic"
+)
+
+func TestBlockStateImplemented(t *testing.T) {
+	var _ state.BlockState = &ClientAdapter[hash.H256,
+		runtime.BlakeTwo256, uint64, runtime.OpaqueExtrinsic, *generic.Header[uint64, hash.H256, runtime.BlakeTwo256]]{}
+}