diff --git a/internal/plugin/grpc_provider.go b/internal/plugin/grpc_provider.go
index e3b31264e5..28ba1b4de9 100644
--- a/internal/plugin/grpc_provider.go
+++ b/internal/plugin/grpc_provider.go
@@ -1298,7 +1298,11 @@ func (p *GRPCProvider) ListResource(r providers.ListResourceRequest) providers.L
 	}
 
 	configSchema := listResourceSchema.Body.BlockTypes["config"]
-	mp, err := msgpack.Marshal(r.Config, configSchema.ImpliedType())
+	config := cty.NullVal(configSchema.ImpliedType())
+	if r.Config.Type().HasAttribute("config") {
+		config = r.Config.GetAttr("config")
+	}
+	mp, err := msgpack.Marshal(config, configSchema.ImpliedType())
 	if err != nil {
 		resp.Diagnostics = resp.Diagnostics.Append(err)
 		return resp
diff --git a/internal/plugin/grpc_provider_test.go b/internal/plugin/grpc_provider_test.go
index de819c1d12..745cb27586 100644
--- a/internal/plugin/grpc_provider_test.go
+++ b/internal/plugin/grpc_provider_test.go
@@ -1566,7 +1566,9 @@ func TestGRPCProvider_ListResource(t *testing.T) {
 
 	// Create the request
 	configVal := cty.ObjectVal(map[string]cty.Value{
-		"filter_attr": cty.StringVal("filter-value"),
+		"config": cty.ObjectVal(map[string]cty.Value{
+			"filter_attr": cty.StringVal("filter-value"),
+		}),
 	})
 	request := providers.ListResourceRequest{
 		TypeName:              "list",
@@ -1646,7 +1648,9 @@ func TestGRPCProvider_ListResource_Error(t *testing.T) {
 	).Return(nil, fmt.Errorf("provider error"))
 
 	configVal := cty.ObjectVal(map[string]cty.Value{
-		"filter_attr": cty.StringVal("filter-value"),
+		"config": cty.ObjectVal(map[string]cty.Value{
+			"filter_attr": cty.StringVal("filter-value"),
+		}),
 	})
 	request := providers.ListResourceRequest{
 		TypeName: "list",
@@ -1692,7 +1696,9 @@ func TestGRPCProvider_ListResource_Diagnostics(t *testing.T) {
 
 	// Create the request
 	configVal := cty.ObjectVal(map[string]cty.Value{
-		"filter_attr": cty.StringVal("filter-value"),
+		"config": cty.ObjectVal(map[string]cty.Value{
+			"filter_attr": cty.StringVal("filter-value"),
+		}),
 	})
 	request := providers.ListResourceRequest{
 		TypeName: "list",
@@ -1757,7 +1763,9 @@ func TestGRPCProvider_ListResource_Limit(t *testing.T) {
 
 	// Create the request
 	configVal := cty.ObjectVal(map[string]cty.Value{
-		"filter_attr": cty.StringVal("filter-value"),
+		"config": cty.ObjectVal(map[string]cty.Value{
+			"filter_attr": cty.StringVal("filter-value"),
+		}),
 	})
 	request := providers.ListResourceRequest{
 		TypeName: "list",
diff --git a/internal/plugin6/grpc_provider.go b/internal/plugin6/grpc_provider.go
index 0073ccbfec..f22f3670f6 100644
--- a/internal/plugin6/grpc_provider.go
+++ b/internal/plugin6/grpc_provider.go
@@ -1293,7 +1293,11 @@ func (p *GRPCProvider) ListResource(r providers.ListResourceRequest) providers.L
 	}
 
 	configSchema := listResourceSchema.Body.BlockTypes["config"]
-	mp, err := msgpack.Marshal(r.Config, configSchema.ImpliedType())
+	config := cty.NullVal(configSchema.ImpliedType())
+	if r.Config.Type().HasAttribute("config") {
+		config = r.Config.GetAttr("config")
+	}
+	mp, err := msgpack.Marshal(config, configSchema.ImpliedType())
 	if err != nil {
 		resp.Diagnostics = resp.Diagnostics.Append(err)
 		return resp
diff --git a/internal/plugin6/grpc_provider_test.go b/internal/plugin6/grpc_provider_test.go
index eb5935f6a3..ea448b6bd7 100644
--- a/internal/plugin6/grpc_provider_test.go
+++ b/internal/plugin6/grpc_provider_test.go
@@ -1572,7 +1572,9 @@ func TestGRPCProvider_ListResource(t *testing.T) {
 
 	// Create the request
 	configVal := cty.ObjectVal(map[string]cty.Value{
-		"filter_attr": cty.StringVal("filter-value"),
+		"config": cty.ObjectVal(map[string]cty.Value{
+			"filter_attr": cty.StringVal("filter-value"),
+		}),
 	})
 	request := providers.ListResourceRequest{
 		TypeName:              "list",
@@ -1652,7 +1654,9 @@ func TestGRPCProvider_ListResource_Error(t *testing.T) {
 	).Return(nil, fmt.Errorf("provider error"))
 
 	configVal := cty.ObjectVal(map[string]cty.Value{
-		"filter_attr": cty.StringVal("filter-value"),
+		"config": cty.ObjectVal(map[string]cty.Value{
+			"filter_attr": cty.StringVal("filter-value"),
+		}),
 	})
 	request := providers.ListResourceRequest{
 		TypeName: "list",
@@ -1698,7 +1702,9 @@ func TestGRPCProvider_ListResource_Diagnostics(t *testing.T) {
 
 	// Create the request
 	configVal := cty.ObjectVal(map[string]cty.Value{
-		"filter_attr": cty.StringVal("filter-value"),
+		"config": cty.ObjectVal(map[string]cty.Value{
+			"filter_attr": cty.StringVal("filter-value"),
+		}),
 	})
 	request := providers.ListResourceRequest{
 		TypeName: "list",
@@ -1763,7 +1769,9 @@ func TestGRPCProvider_ListResource_Limit(t *testing.T) {
 
 	// Create the request
 	configVal := cty.ObjectVal(map[string]cty.Value{
-		"filter_attr": cty.StringVal("filter-value"),
+		"config": cty.ObjectVal(map[string]cty.Value{
+			"filter_attr": cty.StringVal("filter-value"),
+		}),
 	})
 	request := providers.ListResourceRequest{
 		TypeName: "list",