diff --git a/BXSwiftUtils/Files/URL+Contents.swift b/BXSwiftUtils/Files/URL+Contents.swift
index e8fa937..01e373e 100644
--- a/BXSwiftUtils/Files/URL+Contents.swift
+++ b/BXSwiftUtils/Files/URL+Contents.swift
@@ -56,6 +56,7 @@ public extension URL
 		handle.seek(toFileOffset: offset)
 		handle.write(data)
 		handle.synchronizeFile()
+		handle.closeFile()
 		
 		// Return the number of bytes that were written