diff --git a/main/source/mod/AvHPlayer.cpp b/main/source/mod/AvHPlayer.cpp
index 451032ce..04462130 100644
--- a/main/source/mod/AvHPlayer.cpp
+++ b/main/source/mod/AvHPlayer.cpp
@@ -9532,8 +9532,8 @@ void AvHPlayer::UpdateTechNodes()
 					}
 					else
 					{
-						//send signal to remove the tech node from the client here...
-						this->mClientTechNodes.RemoveNode( Node->getMessageID() );
+						//TODO: send signal to remove the tech node from the client here...
+						this->mClientTechNodes.RemoveNode(*current);
 					}
 				}
 				mClientTechDelta.clear();
diff --git a/main/source/mod/AvHTechTree.cpp b/main/source/mod/AvHTechTree.cpp
index a2f96f8a..9d90dc22 100644
--- a/main/source/mod/AvHTechTree.cpp
+++ b/main/source/mod/AvHTechTree.cpp
@@ -493,7 +493,7 @@ void AvHTechTree::GetDelta(const AvHTechTree& other, MessageIDListType& delta) c
 	while( other_current != other_end )
 	{
 		delta.push_back(other_current->first);
-		++current;
+		++other_current;
 	}
 }