diff --git a/sentry-ruby/spec/sentry/excon_spec.rb b/sentry-ruby/spec/sentry/excon_spec.rb
index a0aa67e64..bca0463a7 100644
--- a/sentry-ruby/spec/sentry/excon_spec.rb
+++ b/sentry-ruby/spec/sentry/excon_spec.rb
@@ -89,6 +89,34 @@
         })
       end
 
+      it "records the request's span with advanced query string in data" do
+        Excon.stub({}, { body: '', status: 200 })
+
+        transaction = Sentry.start_transaction
+        Sentry.get_current_scope.set_span(transaction)
+
+        connection = Excon.new('http://example.com/path')
+        response = connection.get(mock: true, query: { foo: 'bar', baz: [1, 2], qux: { a: 1, b: 2 } })
+
+        expect(response.status).to eq(200)
+        expect(transaction.span_recorder.spans.count).to eq(2)
+
+        request_span = transaction.span_recorder.spans.last
+        expect(request_span.op).to eq("http.client")
+        expect(request_span.origin).to eq("auto.http.excon")
+        expect(request_span.start_timestamp).not_to be_nil
+        expect(request_span.timestamp).not_to be_nil
+        expect(request_span.start_timestamp).not_to eq(request_span.timestamp)
+        expect(request_span.description).to eq("GET http://example.com/path")
+        expect(request_span.data).to eq({
+          "http.response.status_code" => 200,
+          "url" => "http://example.com/path",
+          "http.request.method" => "GET",
+          # This equals: "foo=bar&baz[]=1&baz[]=2&qux[a]=1&qux[b]=2"
+          "http.query" => "foo=bar&baz%5B%5D=1&baz%5B%5D=2&qux%5Ba%5D=1&qux%5Bb%5D=2"
+        })
+      end
+
       it "records breadcrumbs" do
         Excon.stub({}, { body: '', status: 200 })