diff --git a/src/exchange/exchange.conf b/src/exchange/exchange.conf
index 7dffdd7fa..afb5b8fae 100644
--- a/src/exchange/exchange.conf
+++ b/src/exchange/exchange.conf
@@ -20,7 +20,7 @@ UNIXPATH = ${TALER_RUNTIME_DIR}/exchange.http
 UNIXPATH_MODE = 660
 
 # HTTP port the exchange listens to
-# PORT = 8081
+PORT = 8081
 
 # Master public key used to sign the exchange's various keys
 # MASTER_PUBLIC_KEY = 98NJW3CQHZQGQXTY3K85K531XKPAPAVV4Q5V8PYYRR00NJGZWNVG