1 files changed, 4 insertions, 2 deletions
diff --git a/AssetLoader/src/GLTFResourceManager.cpp b/AssetLoader/src/GLTFResourceManager.cpp
index 54c3416..f3b8b8b 100644
--- a/AssetLoader/src/GLTFResourceManager.cpp
+++ b/AssetLoader/src/GLTFResourceManager.cpp
@@ -126,8 +126,10 @@ RefCntAutoPtr<ITextureAtlasSuballocation> ResourceManager::AllocateTextureSpace(
 
     if (CacheId != nullptr && *CacheId != 0)
     {
-        auto inserted = m_TexAllocations.emplace(CacheId, pAllocation).second;
-        VERIFY_EXPR(inserted);
+        std::lock_guard<std::mutex> Lock{m_TexAllocationsMtx};
+        // Note that the same allocation may potentially be created by more
+        // than one thread if it has not been found in the cache originally
+        m_TexAllocations.emplace(CacheId, pAllocation).second;
     }
 
     return pAllocation;