diff --git a/pkg/main.go b/pkg/main.go
index 750a1c1..6c73b09 100644
--- a/pkg/main.go
+++ b/pkg/main.go
@@ -19,7 +19,7 @@ var (
 	port          = flag.Int("port", 8080, "The port to listen on")
 )
 
-var urlRe = regexp.MustCompile(`(https?://.*?)/(\w+)$`)
+var urlRe = regexp.MustCompile(`(https?://.*?)/([-a-zA-Z0-9()@:%_\+.~#?&=]+)$`)
 var topic string
 var serverUrl string