diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/util/FS_POSIX.java b/org.eclipse.jgit/src/org/eclipse/jgit/util/FS_POSIX.java
index 4ecaf9c8e..f63c437e4 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/util/FS_POSIX.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/util/FS_POSIX.java
@@ -99,6 +99,7 @@ protected FS_POSIX(FS src) {
 		}
 	}
 
+	@SuppressWarnings("boxing")
 	private void determineAtomicFileCreationSupport() {
 		// @TODO: enhance SystemReader to support this without copying code
 		Boolean ret = getAtomicFileCreationSupportOption(