diff --git a/src/xrGame/quadtree.h b/src/xrGame/quadtree.h
index 5d899843b7d..0aa232aa828 100644
--- a/src/xrGame/quadtree.h
+++ b/src/xrGame/quadtree.h
@@ -50,6 +50,10 @@ class CQuadTree
         IC T* get_object()
         {
             VERIFY(m_free);
+            VERIFY(m_free);
+            if (!m_free)
+                return nullptr;
+
             T* node = m_free;
             m_free = m_free->next();
             ZeroMemory(node, sizeof(T));
diff --git a/src/xrGame/quadtree_inline.h b/src/xrGame/quadtree_inline.h
index a0a82506e8c..634ebdf9de2 100644
--- a/src/xrGame/quadtree_inline.h
+++ b/src/xrGame/quadtree_inline.h
@@ -92,8 +92,14 @@ IC void CSQuadTree::insert(_object_type* object)
         if (depth == m_max_depth)
         {
             CListItem* list_item = m_list_items->get_object();
+            if (!list_item)
+                return;
+
             list_item->m_object = object;
             list_item->m_next = (CListItem*)((void*)(*node));
+            if (!list_item->m_next)
+                return;
+
             *node = (CQuadNode*)((void*)list_item);
             ++m_leaf_count;
             return;
@@ -102,6 +108,9 @@ IC void CSQuadTree::insert(_object_type* object)
         if (!*node)
             *node = m_nodes->get_object();
 
+        if (!node)
+            return;
+
         distance *= .5f;
         u32 index = neighbour_index(object->position(), center, distance);
         VERIFY(index < 4);
@@ -267,6 +276,9 @@ IC _object_type* CSQuadTree::remove(
     const _object_type* object, CQuadNode*& node, Fvector center, float distance, int depth)
 {
     VERIFY(node);
+    if (!node)
+        return nullptr;
+
     if (depth == m_max_depth)
     {
         CListItem*& node_leaf = ((CListItem*&)((void*&)(node)));