diff --git a/broker/broker.go b/broker/broker.go
index 1568305..f9748c1 100644
--- a/broker/broker.go
+++ b/broker/broker.go
@@ -71,10 +71,16 @@ func setCookies(db storage.DB, host string, resp *http.Response) error {
 	nameValues := [][2]string{}
 	old, _ := getCookies(db, host)
 	for _, value := range old {
+		if len(value) == 0 {
+			continue
+		}
 		name := strings.Split(value, "=")[0]
 		nameValues = append(nameValues, [2]string{name, value})
 	}
 	for _, value := range resp.Header["Set-Cookie"] {
+		if len(value) == 0 {
+			continue
+		}
 		name := strings.Split(value, "=")[0]
 		found := false
 		for i := range nameValues {
@@ -89,6 +95,9 @@ func setCookies(db storage.DB, host string, resp *http.Response) error {
 	}
 	result := []string{}
 	for i := range nameValues {
+		if len(nameValues[i][1]) == 0 {
+			continue
+		}
 		result = append(result, nameValues[i][1])
 	}
 	logtr.Verbosef("setting cookies for %s: %+v", host, result)