diff --git a/releng/org.eclipse.rse.build/maps/rse.map b/releng/org.eclipse.rse.build/maps/rse.map
index 7e6398920bc..12d6f596b1a 100644
--- a/releng/org.eclipse.rse.build/maps/rse.map
+++ b/releng/org.eclipse.rse.build/maps/rse.map
@@ -58,7 +58,7 @@ plugin@org.eclipse.rse.subsystems.shells.telnet=v200905272300,:pserver:anonymous
 plugin@org.eclipse.rse.subsystems.terminals.core=v200908051630,:pserver:anonymous:none@dev.eclipse.org:/cvsroot/dsdp,,org.eclipse.tm.rse/plugins/org.eclipse.rse.subsystems.terminals.core
 plugin@org.eclipse.rse.subsystems.terminals.ssh=v200908051630,:pserver:anonymous:none@dev.eclipse.org:/cvsroot/dsdp,,org.eclipse.tm.rse/plugins/org.eclipse.rse.subsystems.terminals.ssh
 plugin@org.eclipse.rse.terminals.ui=v201005221100,:pserver:anonymous:none@dev.eclipse.org:/cvsroot/dsdp,,org.eclipse.tm.rse/plugins/org.eclipse.rse.terminals.ui
-plugin@org.eclipse.rse.tests=v201005261700,:pserver:anonymous:none@dev.eclipse.org:/cvsroot/dsdp,,org.eclipse.tm.rse/tests/org.eclipse.rse.tests
+plugin@org.eclipse.rse.tests=v201005291230,:pserver:anonymous:none@dev.eclipse.org:/cvsroot/dsdp,,org.eclipse.tm.rse/tests/org.eclipse.rse.tests
 plugin@org.eclipse.rse.tests.framework=v200905272300,:pserver:anonymous:none@dev.eclipse.org:/cvsroot/dsdp,,org.eclipse.tm.rse/tests/org.eclipse.rse.tests.framework
 plugin@org.eclipse.rse.ui=v201005282245,:pserver:anonymous:none@dev.eclipse.org:/cvsroot/dsdp,,org.eclipse.tm.rse/plugins/org.eclipse.rse.ui
 plugin@org.eclipse.rse.useractions=v200905272300,:pserver:anonymous:none@dev.eclipse.org:/cvsroot/dsdp,,org.eclipse.tm.rse/plugins/org.eclipse.rse.useractions
\ No newline at end of file
diff --git a/rse/tests/org.eclipse.rse.tests/src/org/eclipse/rse/tests/ui/mnemonics/MnemonicsTest.java b/rse/tests/org.eclipse.rse.tests/src/org/eclipse/rse/tests/ui/mnemonics/MnemonicsTest.java
index ae4d3d4f173..84415620428 100644
--- a/rse/tests/org.eclipse.rse.tests/src/org/eclipse/rse/tests/ui/mnemonics/MnemonicsTest.java
+++ b/rse/tests/org.eclipse.rse.tests/src/org/eclipse/rse/tests/ui/mnemonics/MnemonicsTest.java
@@ -1,5 +1,5 @@
 /********************************************************************************
- * Copyright (c) 2007, 2008 IBM Corporation and others. All rights reserved.
+ * Copyright (c) 2007, 2010 IBM Corporation and others. All rights reserved.
  * This program and the accompanying materials are made available under the terms
  * of the Eclipse Public License v1.0 which accompanies this distribution, and is
  * available at http://www.eclipse.org/legal/epl-v10.html
@@ -10,6 +10,7 @@
  * Martin Oberhuber (Wind River) - [177523] Unify singleton getter methods
  * Martin Oberhuber (Wind River) - [186773] split ISystemRegistryUI from ISystemRegistry
  * Martin Oberhuber (Wind River) - organize, enable and tag test cases
+ * Martin Oberhuber (Wind River) - [263196] MnemonicsTest.testDefaultGeneration() fails
  ********************************************************************************/
 
 package org.eclipse.rse.tests.ui.mnemonics;
@@ -55,19 +56,27 @@ public class MnemonicsTest extends RSECoreTestCase {
 		//-test-author-:DavidDykstal
 		if (isTestDisabled())
 			return;
-		setLocalePattern(".*"); // match all locales
-		Mnemonics mn = new Mnemonics();
-		mn.clear("abcde");
-		String result = mn.setUniqueMnemonic("A...");
-		assertEquals("A(&F)...", result);
-		result = mn.setUniqueMnemonic("F...");
-		assertEquals("F(&G)...", result);
-		result = mn.setUniqueMnemonic("H...");
-		assertEquals("&H...", result);
+		String oldPattern = getLocalePattern();
+		try {
+			setLocalePattern(".*"); // match all locales
+			Mnemonics mn = new Mnemonics();
+			mn.clear("abcde");
+			String result = mn.setUniqueMnemonic("A...");
+			assertEquals("A(&F)...", result);
+			result = mn.setUniqueMnemonic("F...");
+			assertEquals("F(&G)...", result);
+			result = mn.setUniqueMnemonic("H...");
+			assertEquals("&H...", result);
+		} finally {
+			setLocalePattern(oldPattern);
+		}
 	}
 
 	private void setLocalePattern(String pattern) {
 		RSEUIPlugin.getDefault().getPluginPreferences().setValue(Mnemonics.APPEND_MNEMONICS_PATTERN_PREFERENCE, pattern);
 	}
 
+	private String getLocalePattern() {
+		return RSEUIPlugin.getDefault().getPluginPreferences().getString(Mnemonics.APPEND_MNEMONICS_PATTERN_PREFERENCE);
+	}
 }