diff --git a/code/ryzom/server/src/ai_service/child_container.h b/code/ryzom/server/src/ai_service/child_container.h
index 8f0de6c7a..54835d912 100644
--- a/code/ryzom/server/src/ai_service/child_container.h
+++ b/code/ryzom/server/src/ai_service/child_container.h
@@ -492,7 +492,7 @@ uint32 CAliasCont<TChld>::getChildIndexByAlias(uint32 alias) const
 	{
 		TChld* child = this->_Childs[i];
 		if (child!=NULL && child->getAlias()==alias)
-			return i;
+			return (uint32)i;
 	}
 	return ~0;
 }
diff --git a/code/ryzom/server/src/ai_share/world_map.h b/code/ryzom/server/src/ai_share/world_map.h
index 71ed63509..012c22f2b 100644
--- a/code/ryzom/server/src/ai_share/world_map.h
+++ b/code/ryzom/server/src/ai_share/world_map.h
@@ -2943,7 +2943,7 @@ void CHeap<T, V>::push(T key, V const& value)
 {
 	_Heap.push_back(THeapNode(key, value));
 	
-	backwardLeveling(_Heap.size()-1);
+	backwardLeveling((uint)_Heap.size()-1);
 }
 
 template <typename T, typename V>