diff --git a/java_gen/pre-written/src/main/java/org/projectfloodlight/openflow/types/TransportPort.java b/java_gen/pre-written/src/main/java/org/projectfloodlight/openflow/types/TransportPort.java
index 090b856..6ab0254 100644
--- a/java_gen/pre-written/src/main/java/org/projectfloodlight/openflow/types/TransportPort.java
+++ b/java_gen/pre-written/src/main/java/org/projectfloodlight/openflow/types/TransportPort.java
@@ -33,7 +33,7 @@
         if(port == NONE_VAL)
             return NONE;
         else if (port == NO_MASK.port)
-        	return NO_MASK;
+            return NO_MASK;
         else if (port < MIN_PORT || port > MAX_PORT) {
             throw new IllegalArgumentException("Illegal transport layer port number: " + port);
         }