diff --git a/src/address.py b/src/address.py
index 1531122..cebb3ee 100644
--- a/src/address.py
+++ b/src/address.py
@@ -11,4 +11,4 @@ class Address:
 		addr = self.address
 		if self.address[len(self.address)-1] != "/":
 			addr += "/"
-		return addr + topic
\ No newline at end of file
+		return addr + topic.replace(" ", "_")
\ No newline at end of file