diff --git a/bundles/org.eclipse.equinox.security.tests/src/org/eclipse/equinox/internal/security/tests/storage/ObsoletesTest.java b/bundles/org.eclipse.equinox.security.tests/src/org/eclipse/equinox/internal/security/tests/storage/ObsoletesTest.java
index 86610b1..8eb3285 100644
--- a/bundles/org.eclipse.equinox.security.tests/src/org/eclipse/equinox/internal/security/tests/storage/ObsoletesTest.java
+++ b/bundles/org.eclipse.equinox.security.tests/src/org/eclipse/equinox/internal/security/tests/storage/ObsoletesTest.java
@@ -17,8 +17,10 @@
 import static org.junit.Assert.assertNotNull;
 
 import java.util.List;
+import org.eclipse.core.runtime.*;
 import org.eclipse.equinox.internal.security.storage.friends.InternalExchangeUtils;
 import org.eclipse.equinox.internal.security.storage.friends.PasswordProviderDescription;
+import org.eclipse.equinox.internal.security.storage.provider.IValidatingPasswordProvider;
 import org.eclipse.equinox.internal.security.tests.SecurityTestsActivator;
 import org.junit.Before;
 import org.junit.Test;
@@ -27,11 +29,42 @@
 
 public class ObsoletesTest {
 
-	final private static String LINUX_BUNDLE = "org.eclipse.equinox.security.linux";
+	final private static String LINUX_BUNDLE = "org.eclipse.equinox.security.linux"; //$NON-NLS-1$
+	final private static String EXTENSION_POINT = "org.eclipse.equinox.security.secureStorage"; //$NON-NLS-1$
+	final private static String LINUX_PASSWORD_PROVIDER = "org.eclipse.equinox.security.securestorage.linuxkeystoreintegrationjna"; //$NON-NLS-1$
+	final private static String CLASS_NAME = "class"; //$NON-NLS-1$
 
 	@Before
 	public void setUp() {
 		org.junit.Assume.assumeTrue(hasBundle(LINUX_BUNDLE));
+		IExtensionRegistry registry = RegistryFactory.getRegistry();
+		IExtensionPoint point = registry.getExtensionPoint(EXTENSION_POINT);
+		IExtension[] extensions = point.getExtensions();
+		IExtension linuxExtension = null;
+		for (IExtension extension : extensions) {
+			String moduleID = extension.getUniqueIdentifier();
+			if (moduleID == null) // IDs on those extensions are mandatory; if not specified, ignore the extension
+				continue;
+			moduleID = moduleID.toLowerCase();
+			if (moduleID.equals(LINUX_PASSWORD_PROVIDER)) {
+				linuxExtension = extension;
+				break;
+			}
+		}
+		org.junit.Assume.assumeTrue(linuxExtension != null);
+		IConfigurationElement[] elements = linuxExtension.getConfigurationElements();
+		org.junit.Assume.assumeTrue(elements.length > 0);
+		IConfigurationElement element = elements[0]; // only one module is allowed per extension
+		Object clazz;
+		try {
+			clazz = element.createExecutableExtension(CLASS_NAME);
+			// Bug 537833 - on some Linux systems, the password provider does not work (e.g.
+			// Linux KDE)
+			org.junit.Assume.assumeTrue(
+					clazz instanceof IValidatingPasswordProvider && ((IValidatingPasswordProvider) clazz).isValid());
+		} catch (CoreException e) {
+			org.junit.Assume.assumeNoException(e);
+		}
 	}
 
 	@Test