diff --git a/Source/Model/Classes/NMR_Model.cpp b/Source/Model/Classes/NMR_Model.cpp
index 3b8bb84fd..df2e204a5 100644
--- a/Source/Model/Classes/NMR_Model.cpp
+++ b/Source/Model/Classes/NMR_Model.cpp
@@ -1715,6 +1715,8 @@ namespace NMR {
 
 		m_ResourceMap.erase(resourceMapIterator);
 
+		m_resourceHandler.removePackageResourceID(pResource->getPackageResourceID());
+
 		// Remove from specific resource lists
 
 		auto objectIterator = std::find(m_ObjectLookup.begin(), m_ObjectLookup.end(), pResource);