diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/hooks/GitHook.java b/org.eclipse.jgit/src/org/eclipse/jgit/hooks/GitHook.java
index 4059b16..53f4819 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/hooks/GitHook.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/hooks/GitHook.java
@@ -44,12 +44,12 @@
 	/**
 	 * The output stream to be used by the hook.
 	 */
-	protected final PrintStream outputStream;
+	private final PrintStream outputStream;
 
 	/**
 	 * The error stream to be used by the hook.
 	 */
-	protected final PrintStream errorStream;
+	private final PrintStream errorStream;
 
 	/**
 	 * Constructor for GitHook.