diff --git a/lib/fcm.rb b/lib/fcm.rb
index f3ad0b8..b4e8854 100644
--- a/lib/fcm.rb
+++ b/lib/fcm.rb
@@ -188,9 +188,7 @@ def send_to_topic(topic, options = {})
   end
 
   def get_instance_id_info(iid_token, options = {})
-    params = {
-      query: options,
-    }
+    params = options
 
     for_uri(INSTANCE_ID_API) do |connection|
       response = connection.get("/iid/info/" + iid_token, params)
diff --git a/spec/fcm_spec.rb b/spec/fcm_spec.rb
index 0d1afd1..fb1ee9e 100644
--- a/spec/fcm_spec.rb
+++ b/spec/fcm_spec.rb
@@ -499,6 +499,40 @@
     # TODO
   end
 
+  describe 'getting instance info' do
+    subject(:get_info) { client.get_instance_id_info(registration_id, options) }
+
+    let(:options) { nil }
+    let(:client) { FCM.new('TEST_SERVER_KEY') }
+    let(:base_uri) { "#{FCM::INSTANCE_ID_API}/iid/info" }
+    let(:uri) { "#{base_uri}/#{registration_id}" }
+    let(:mock_request_attributes) do
+      { headers: {
+        'Authorization' => 'key=TEST_SERVER_KEY',
+        'Content-Type' => 'application/json'
+      } }
+    end
+
+    context 'without options' do
+      it 'calls info endpoint' do
+        endpoint = stub_request(:get, uri).with(mock_request_attributes)
+        get_info
+        expect(endpoint).to have_been_requested
+      end
+    end
+
+    context 'with detail option' do
+      let(:uri) { "#{base_uri}/#{registration_id}?details=true" }
+      let(:options) { { details: true } }
+
+      it 'calls info endpoint' do
+        endpoint = stub_request(:get, uri).with(mock_request_attributes)
+        get_info
+        expect(endpoint).to have_been_requested
+      end
+    end
+  end
+
   describe "credentials path" do
     it "can be a path to a file" do
       fcm = FCM.new("test", "README.md")