diff --git a/src/main/java/net/floodlightcontroller/core/INetMapTopologyObjects.java b/src/main/java/net/floodlightcontroller/core/INetMapTopologyObjects.java
index ea0daa3..c49df84 100644
--- a/src/main/java/net/floodlightcontroller/core/INetMapTopologyObjects.java
+++ b/src/main/java/net/floodlightcontroller/core/INetMapTopologyObjects.java
@@ -77,7 +77,7 @@
 		public void setDesc(String s);
 		
 		@JsonIgnore
-		@Property("port_sate")
+		@Property("port_state")
 		public Integer getPortState();
 		
 		@Property("port_state")
@@ -210,7 +210,7 @@
 		
 		@JsonIgnore
 		@GremlinGroovy("_().in('flow').out('switch')")
-		public Iterable<IDeviceObject> getSwitches();
+		public Iterable<ISwitchObject> getSwitches();
 	}
 
 public interface IFlowEntry extends IBaseObject {