diff --git a/services/rest/websocket/connection/table_race_test.go b/services/rest/websocket/connection/table_race_test.go
new file mode 100644
index 00000000..e3ad25df
--- /dev/null
+++ b/services/rest/websocket/connection/table_race_test.go
@@ -0,0 +1,45 @@
+package connection
+
+import (
+	"github.com/goto/raccoon/identification"
+	"testing"
+	"time"
+)
+
+func TestRaceInTable(t *testing.T) {
+	table := NewTable(100)
+	done := make(chan bool)
+	id := identification.Identifier{
+		ID:    "connection-id-1",
+		Group: "group-i-1",
+	}
+
+	//store the ids
+	go func() {
+		for {
+			select {
+			case <-done:
+				return
+			default:
+				table.Store(id)
+			}
+		}
+	}()
+
+	go func() {
+		for {
+			select {
+			case <-done:
+				return
+			default:
+				for k, v := range table.TotalConnectionPerGroup() {
+					_ = k
+					_ = v
+				}
+			}
+		}
+	}()
+
+	time.Sleep(2 * time.Second)
+	close(done)
+}