diff --git a/core/node_strings.go b/core/node_strings.go
index b2a397c..3c1ad48 100644
--- a/core/node_strings.go
+++ b/core/node_strings.go
@@ -174,5 +174,5 @@ func (sender *Strings) ReplaceToEmojis(str string, pattern string) string {
 }
 
 func (sender *Strings) ExtractAddress(input string) string {
-	return regexp.MustCompile(`http[s]?://[\w.]+:\d*`).FindString(input)
+	return regexp.MustCompile(`http[s]?://[\w.]+:?\d*`).FindString(input)
 }