diff --git a/terminal/bundles/org.eclipse.terminal.view.ui/src/org/eclipse/terminal/view/ui/internal/TerminalService.java b/terminal/bundles/org.eclipse.terminal.view.ui/src/org/eclipse/terminal/view/ui/internal/TerminalService.java
index afb14b79bb0..5217a02ba39 100644
--- a/terminal/bundles/org.eclipse.terminal.view.ui/src/org/eclipse/terminal/view/ui/internal/TerminalService.java
+++ b/terminal/bundles/org.eclipse.terminal.view.ui/src/org/eclipse/terminal/view/ui/internal/TerminalService.java
@@ -55,7 +55,7 @@ public class TerminalService implements ITerminalService {
 	 */
 	public static final int TAB_DISPOSED = 1;
 
-	private ITerminalConsoleViewManager consoleViewManager;
+	private final ITerminalConsoleViewManager consoleViewManager;
 
 	/**
 	 * Common terminal service runnable implementation.