diff --git a/openVulkanoCpp/IO/MemMappedFile.cpp b/openVulkanoCpp/IO/MemMappedFile.cpp
index 10e9157..ffa7e4f 100644
--- a/openVulkanoCpp/IO/MemMappedFile.cpp
+++ b/openVulkanoCpp/IO/MemMappedFile.cpp
@@ -22,5 +22,8 @@ namespace OpenVulkano
 	void MemMappedFile::Close()
 	{
 		m_internal->Close();
+		m_internal = nullptr;
+		m_data = nullptr;
+		m_size = 0;
 	}
 }